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Finding the Fourth Proportional to 64,571.82, 89,073.14 and 60,005.16

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Solution

The fourth proportional to 64,571.82, 89,073.14 and 60,005.16 is: 82,773.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,571.82 : 89,073.14 = 60,005.16 : x
  2. Step 2: Convert to fraction form
    64,571.82/89,073.14 = 60,005.16/x
  3. Step 3: Cross multiply
    64,571.82x = 89,073.14 × 60,005.16
  4. Step 4: Simplify right side
    64,571.82x = 5,344,847,717.38
  5. Step 5: Solve for x
    x = 5,344,847,717.38/64,571.82
  6. Step 6: Final answer
    x = 82,773.69

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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.