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Finding the Fourth Proportional to 55,843.17, 77,064.17 and 30,349.53

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Solution

The fourth proportional to 55,843.17, 77,064.17 and 30,349.53 is: 41,882.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,843.17 : 77,064.17 = 30,349.53 : x
  2. Step 2: Convert to fraction form
    55,843.17/77,064.17 = 30,349.53/x
  3. Step 3: Cross multiply
    55,843.17x = 77,064.17 × 30,349.53
  4. Step 4: Simplify right side
    55,843.17x = 2,338,861,666.27
  5. Step 5: Solve for x
    x = 2,338,861,666.27/55,843.17
  6. Step 6: Final answer
    x = 41,882.68

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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.