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Finding the Fourth Proportional to 40,281.70, 60,422.55 and 40,281.70

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Solution

The fourth proportional to 40,281.70, 60,422.55 and 40,281.70 is: 60,422.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,281.70 : 60,422.55 = 40,281.70 : x
  2. Step 2: Convert to fraction form
    40,281.70/60,422.55 = 40,281.70/x
  3. Step 3: Cross multiply
    40,281.70x = 60,422.55 × 40,281.70
  4. Step 4: Simplify right side
    40,281.70x = 2,433,923,032.34
  5. Step 5: Solve for x
    x = 2,433,923,032.34/40,281.70
  6. Step 6: Final answer
    x = 60,422.55

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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.