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Finding the Fourth Proportional to 44,864.97, 67,218.47 and 39,978.10

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Solution

The fourth proportional to 44,864.97, 67,218.47 and 39,978.10 is: 59,896.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,864.97 : 67,218.47 = 39,978.10 : x
  2. Step 2: Convert to fraction form
    44,864.97/67,218.47 = 39,978.10/x
  3. Step 3: Cross multiply
    44,864.97x = 67,218.47 × 39,978.10
  4. Step 4: Simplify right side
    44,864.97x = 2,687,266,715.51
  5. Step 5: Solve for x
    x = 2,687,266,715.51/44,864.97
  6. Step 6: Final answer
    x = 59,896.77

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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.