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Finding the Fourth Proportional to 67,229.48, 92,775.78 and 37,421.48

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Solution

The fourth proportional to 67,229.48, 92,775.78 and 37,421.48 is: 51,641.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,229.48 : 92,775.78 = 37,421.48 : x
  2. Step 2: Convert to fraction form
    67,229.48/92,775.78 = 37,421.48/x
  3. Step 3: Cross multiply
    67,229.48x = 92,775.78 × 37,421.48
  4. Step 4: Simplify right side
    67,229.48x = 3,471,806,995.75
  5. Step 5: Solve for x
    x = 3,471,806,995.75/67,229.48
  6. Step 6: Final answer
    x = 51,641.14

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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.