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Finding the Fourth Proportional to 65,463.63, 90,340.41 and 37,169.92

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Solution

The fourth proportional to 65,463.63, 90,340.41 and 37,169.92 is: 51,294.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,463.63 : 90,340.41 = 37,169.92 : x
  2. Step 2: Convert to fraction form
    65,463.63/90,340.41 = 37,169.92/x
  3. Step 3: Cross multiply
    65,463.63x = 90,340.41 × 37,169.92
  4. Step 4: Simplify right side
    65,463.63x = 3,357,945,812.47
  5. Step 5: Solve for x
    x = 3,357,945,812.47/65,463.63
  6. Step 6: Final answer
    x = 51,294.83

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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.