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Finding the Fourth Proportional to 64,542.84, 89,062.67 and 37,681.62

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Solution

The fourth proportional to 64,542.84, 89,062.67 and 37,681.62 is: 51,996.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,542.84 : 89,062.67 = 37,681.62 : x
  2. Step 2: Convert to fraction form
    64,542.84/89,062.67 = 37,681.62/x
  3. Step 3: Cross multiply
    64,542.84x = 89,062.67 × 37,681.62
  4. Step 4: Simplify right side
    64,542.84x = 3,356,025,447.34
  5. Step 5: Solve for x
    x = 3,356,025,447.34/64,542.84
  6. Step 6: Final answer
    x = 51,996.87

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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.