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Finding the Fourth Proportional to 45,809.30, 68,713.95 and 16,230.13

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Solution

The fourth proportional to 45,809.30, 68,713.95 and 16,230.13 is: 24,345.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,809.30 : 68,713.95 = 16,230.13 : x
  2. Step 2: Convert to fraction form
    45,809.30/68,713.95 = 16,230.13/x
  3. Step 3: Cross multiply
    45,809.30x = 68,713.95 × 16,230.13
  4. Step 4: Simplify right side
    45,809.30x = 1,115,236,341.31
  5. Step 5: Solve for x
    x = 1,115,236,341.31/45,809.30
  6. Step 6: Final answer
    x = 24,345.20

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.