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Finding the Fourth Proportional to 58,920.39, 88,206.93 and 38,892.94

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Solution

The fourth proportional to 58,920.39, 88,206.93 and 38,892.94 is: 58,224.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,920.39 : 88,206.93 = 38,892.94 : x
  2. Step 2: Convert to fraction form
    58,920.39/88,206.93 = 38,892.94/x
  3. Step 3: Cross multiply
    58,920.39x = 88,206.93 × 38,892.94
  4. Step 4: Simplify right side
    58,920.39x = 3,430,626,836.07
  5. Step 5: Solve for x
    x = 3,430,626,836.07/58,920.39
  6. Step 6: Final answer
    x = 58,224.78

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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.