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Finding the Fourth Proportional to 64,737.62, 89,336.54 and 36,057.19

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Solution

The fourth proportional to 64,737.62, 89,336.54 and 36,057.19 is: 49,758.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,737.62 : 89,336.54 = 36,057.19 : x
  2. Step 2: Convert to fraction form
    64,737.62/89,336.54 = 36,057.19/x
  3. Step 3: Cross multiply
    64,737.62x = 89,336.54 × 36,057.19
  4. Step 4: Simplify right side
    64,737.62x = 3,221,224,506.58
  5. Step 5: Solve for x
    x = 3,221,224,506.58/64,737.62
  6. Step 6: Final answer
    x = 49,758.16

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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.