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Finding the Fourth Proportional to 58,355.61, 87,535.17 and 22,815.51

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Solution

The fourth proportional to 58,355.61, 87,535.17 and 22,815.51 is: 34,223.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,355.61 : 87,535.17 = 22,815.51 : x
  2. Step 2: Convert to fraction form
    58,355.61/87,535.17 = 22,815.51/x
  3. Step 3: Cross multiply
    58,355.61x = 87,535.17 × 22,815.51
  4. Step 4: Simplify right side
    58,355.61x = 1,997,159,546.49
  5. Step 5: Solve for x
    x = 1,997,159,546.49/58,355.61
  6. Step 6: Final answer
    x = 34,223.95

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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.