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Finding the Fourth Proportional to 64,841.52, 89,480.55 and 36,161.04

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Solution

The fourth proportional to 64,841.52, 89,480.55 and 36,161.04 is: 49,901.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,841.52 : 89,480.55 = 36,161.04 : x
  2. Step 2: Convert to fraction form
    64,841.52/89,480.55 = 36,161.04/x
  3. Step 3: Cross multiply
    64,841.52x = 89,480.55 × 36,161.04
  4. Step 4: Simplify right side
    64,841.52x = 3,235,709,747.77
  5. Step 5: Solve for x
    x = 3,235,709,747.77/64,841.52
  6. Step 6: Final answer
    x = 49,901.82

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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.