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Finding the Fourth Proportional to 65,151.54, 89,901.54 and 36,472.77

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Solution

The fourth proportional to 65,151.54, 89,901.54 and 36,472.77 is: 50,328.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,151.54 : 89,901.54 = 36,472.77 : x
  2. Step 2: Convert to fraction form
    65,151.54/89,901.54 = 36,472.77/x
  3. Step 3: Cross multiply
    65,151.54x = 89,901.54 × 36,472.77
  4. Step 4: Simplify right side
    65,151.54x = 3,278,958,191.07
  5. Step 5: Solve for x
    x = 3,278,958,191.07/65,151.54
  6. Step 6: Final answer
    x = 50,328.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.