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Finding the Fourth Proportional to 18,209.93, 27,314.95 and 5,062.30

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Solution

The fourth proportional to 18,209.93, 27,314.95 and 5,062.30 is: 7,593.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,209.93 : 27,314.95 = 5,062.30 : x
  2. Step 2: Convert to fraction form
    18,209.93/27,314.95 = 5,062.30/x
  3. Step 3: Cross multiply
    18,209.93x = 27,314.95 × 5,062.30
  4. Step 4: Simplify right side
    18,209.93x = 138,276,385.70
  5. Step 5: Solve for x
    x = 138,276,385.70/18,209.93
  6. Step 6: Final answer
    x = 7,593.46

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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.