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Finding the Fourth Proportional to 57,603.92, 86,284.60 and 26,465.36

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Solution

The fourth proportional to 57,603.92, 86,284.60 and 26,465.36 is: 39,642.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,603.92 : 86,284.60 = 26,465.36 : x
  2. Step 2: Convert to fraction form
    57,603.92/86,284.60 = 26,465.36/x
  3. Step 3: Cross multiply
    57,603.92x = 86,284.60 × 26,465.36
  4. Step 4: Simplify right side
    57,603.92x = 2,283,553,001.46
  5. Step 5: Solve for x
    x = 2,283,553,001.46/57,603.92
  6. Step 6: Final answer
    x = 39,642.32

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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.