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Finding the Fourth Proportional to 69,765.68, 96,275.28 and 37,934.30

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Solution

The fourth proportional to 69,765.68, 96,275.28 and 37,934.30 is: 52,348.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,765.68 : 96,275.28 = 37,934.30 : x
  2. Step 2: Convert to fraction form
    69,765.68/96,275.28 = 37,934.30/x
  3. Step 3: Cross multiply
    69,765.68x = 96,275.28 × 37,934.30
  4. Step 4: Simplify right side
    69,765.68x = 3,652,135,354.10
  5. Step 5: Solve for x
    x = 3,652,135,354.10/69,765.68
  6. Step 6: Final answer
    x = 52,348.60

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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.