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Finding the Fourth Proportional to 64,726.65, 89,314.52 and 36,426.87

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Solution

The fourth proportional to 64,726.65, 89,314.52 and 36,426.87 is: 50,264.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,726.65 : 89,314.52 = 36,426.87 : x
  2. Step 2: Convert to fraction form
    64,726.65/89,314.52 = 36,426.87/x
  3. Step 3: Cross multiply
    64,726.65x = 89,314.52 × 36,426.87
  4. Step 4: Simplify right side
    64,726.65x = 3,253,448,227.02
  5. Step 5: Solve for x
    x = 3,253,448,227.02/64,726.65
  6. Step 6: Final answer
    x = 50,264.43

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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.