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Finding the Fourth Proportional to 61,612.38, 92,416.14 and 42,837.12

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Solution

The fourth proportional to 61,612.38, 92,416.14 and 42,837.12 is: 64,253.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,612.38 : 92,416.14 = 42,837.12 : x
  2. Step 2: Convert to fraction form
    61,612.38/92,416.14 = 42,837.12/x
  3. Step 3: Cross multiply
    61,612.38x = 92,416.14 × 42,837.12
  4. Step 4: Simplify right side
    61,612.38x = 3,958,841,279.12
  5. Step 5: Solve for x
    x = 3,958,841,279.12/61,612.38
  6. Step 6: Final answer
    x = 64,253.99

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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.