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Finding the Fourth Proportional to 69,366.60, 95,726.70 and 39,153.60

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Solution

The fourth proportional to 69,366.60, 95,726.70 and 39,153.60 is: 54,032.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,366.60 : 95,726.70 = 39,153.60 : x
  2. Step 2: Convert to fraction form
    69,366.60/95,726.70 = 39,153.60/x
  3. Step 3: Cross multiply
    69,366.60x = 95,726.70 × 39,153.60
  4. Step 4: Simplify right side
    69,366.60x = 3,748,044,921.12
  5. Step 5: Solve for x
    x = 3,748,044,921.12/69,366.60
  6. Step 6: Final answer
    x = 54,032.42

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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.