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Finding the Fourth Proportional to 60,865.72, 91,269.85 and 35,572.49

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Solution

The fourth proportional to 60,865.72, 91,269.85 and 35,572.49 is: 53,341.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,865.72 : 91,269.85 = 35,572.49 : x
  2. Step 2: Convert to fraction form
    60,865.72/91,269.85 = 35,572.49/x
  3. Step 3: Cross multiply
    60,865.72x = 91,269.85 × 35,572.49
  4. Step 4: Simplify right side
    60,865.72x = 3,246,696,169.36
  5. Step 5: Solve for x
    x = 3,246,696,169.36/60,865.72
  6. Step 6: Final answer
    x = 53,341.95

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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.