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Finding the Fourth Proportional to 64,493.52, 89,006.46 and 37,637.78

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Solution

The fourth proportional to 64,493.52, 89,006.46 and 37,637.78 is: 51,943.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,493.52 : 89,006.46 = 37,637.78 : x
  2. Step 2: Convert to fraction form
    64,493.52/89,006.46 = 37,637.78/x
  3. Step 3: Cross multiply
    64,493.52x = 89,006.46 × 37,637.78
  4. Step 4: Simplify right side
    64,493.52x = 3,350,005,560.06
  5. Step 5: Solve for x
    x = 3,350,005,560.06/64,493.52
  6. Step 6: Final answer
    x = 51,943.29

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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.