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Finding the Fourth Proportional to 26,320.40, 39,437.40 and 22,432.40

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Solution

The fourth proportional to 26,320.40, 39,437.40 and 22,432.40 is: 33,611.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,320.40 : 39,437.40 = 22,432.40 : x
  2. Step 2: Convert to fraction form
    26,320.40/39,437.40 = 22,432.40/x
  3. Step 3: Cross multiply
    26,320.40x = 39,437.40 × 22,432.40
  4. Step 4: Simplify right side
    26,320.40x = 884,675,531.76
  5. Step 5: Solve for x
    x = 884,675,531.76/26,320.40
  6. Step 6: Final answer
    x = 33,611.78

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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.