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Finding the Fourth Proportional to 61,049.53, 84,302.03 and 38,426.32

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Solution

The fourth proportional to 61,049.53, 84,302.03 and 38,426.32 is: 53,062.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,049.53 : 84,302.03 = 38,426.32 : x
  2. Step 2: Convert to fraction form
    61,049.53/84,302.03 = 38,426.32/x
  3. Step 3: Cross multiply
    61,049.53x = 84,302.03 × 38,426.32
  4. Step 4: Simplify right side
    61,049.53x = 3,239,416,781.43
  5. Step 5: Solve for x
    x = 3,239,416,781.43/61,049.53
  6. Step 6: Final answer
    x = 53,062.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.