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Finding the Fourth Proportional to 64,773.82, 89,384.70 and 36,080.38

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Solution

The fourth proportional to 64,773.82, 89,384.70 and 36,080.38 is: 49,789.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,773.82 : 89,384.70 = 36,080.38 : x
  2. Step 2: Convert to fraction form
    64,773.82/89,384.70 = 36,080.38/x
  3. Step 3: Cross multiply
    64,773.82x = 89,384.70 × 36,080.38
  4. Step 4: Simplify right side
    64,773.82x = 3,225,033,942.19
  5. Step 5: Solve for x
    x = 3,225,033,942.19/64,773.82
  6. Step 6: Final answer
    x = 49,789.16

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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.