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Finding the Fourth Proportional to 64,772.57, 89,384.72 and 36,092.22

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Solution

The fourth proportional to 64,772.57, 89,384.72 and 36,092.22 is: 49,806.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,772.57 : 89,384.72 = 36,092.22 : x
  2. Step 2: Convert to fraction form
    64,772.57/89,384.72 = 36,092.22/x
  3. Step 3: Cross multiply
    64,772.57x = 89,384.72 × 36,092.22
  4. Step 4: Simplify right side
    64,772.57x = 3,226,092,798.42
  5. Step 5: Solve for x
    x = 3,226,092,798.42/64,772.57
  6. Step 6: Final answer
    x = 49,806.47

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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.