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Finding the Fourth Proportional to 60,883.64, 91,332.78 and 21,432.56

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Solution

The fourth proportional to 60,883.64, 91,332.78 and 21,432.56 is: 32,151.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,883.64 : 91,332.78 = 21,432.56 : x
  2. Step 2: Convert to fraction form
    60,883.64/91,332.78 = 21,432.56/x
  3. Step 3: Cross multiply
    60,883.64x = 91,332.78 × 21,432.56
  4. Step 4: Simplify right side
    60,883.64x = 1,957,495,287.32
  5. Step 5: Solve for x
    x = 1,957,495,287.32/60,883.64
  6. Step 6: Final answer
    x = 32,151.42

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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.