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Finding the Fourth Proportional to 91,883.52, 137,825.28 and 26,219.52

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Solution

The fourth proportional to 91,883.52, 137,825.28 and 26,219.52 is: 39,329.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,883.52 : 137,825.28 = 26,219.52 : x
  2. Step 2: Convert to fraction form
    91,883.52/137,825.28 = 26,219.52/x
  3. Step 3: Cross multiply
    91,883.52x = 137,825.28 × 26,219.52
  4. Step 4: Simplify right side
    91,883.52x = 3,613,712,685.47
  5. Step 5: Solve for x
    x = 3,613,712,685.47/91,883.52
  6. Step 6: Final answer
    x = 39,329.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.