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Finding the Fourth Proportional to 45,813.40, 68,695.80 and 16,232.20

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Solution

The fourth proportional to 45,813.40, 68,695.80 and 16,232.20 is: 24,339.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,813.40 : 68,695.80 = 16,232.20 : x
  2. Step 2: Convert to fraction form
    45,813.40/68,695.80 = 16,232.20/x
  3. Step 3: Cross multiply
    45,813.40x = 68,695.80 × 16,232.20
  4. Step 4: Simplify right side
    45,813.40x = 1,115,083,964.76
  5. Step 5: Solve for x
    x = 1,115,083,964.76/45,813.40
  6. Step 6: Final answer
    x = 24,339.69

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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.