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Finding the Fourth Proportional to 60,355.59, 90,537.44 and 15,981.77

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Solution

The fourth proportional to 60,355.59, 90,537.44 and 15,981.77 is: 23,973.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,355.59 : 90,537.44 = 15,981.77 : x
  2. Step 2: Convert to fraction form
    60,355.59/90,537.44 = 15,981.77/x
  3. Step 3: Cross multiply
    60,355.59x = 90,537.44 × 15,981.77
  4. Step 4: Simplify right side
    60,355.59x = 1,446,948,009.87
  5. Step 5: Solve for x
    x = 1,446,948,009.87/60,355.59
  6. Step 6: Final answer
    x = 23,973.72

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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.