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Finding the Fourth Proportional to 40,281.40, 60,422.10 and 36,652.60

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Solution

The fourth proportional to 40,281.40, 60,422.10 and 36,652.60 is: 54,978.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,281.40 : 60,422.10 = 36,652.60 : x
  2. Step 2: Convert to fraction form
    40,281.40/60,422.10 = 36,652.60/x
  3. Step 3: Cross multiply
    40,281.40x = 60,422.10 × 36,652.60
  4. Step 4: Simplify right side
    40,281.40x = 2,214,627,062.46
  5. Step 5: Solve for x
    x = 2,214,627,062.46/40,281.40
  6. Step 6: Final answer
    x = 54,978.90

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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.