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Finding the Fourth Proportional to 42,408.60, 63,612.90 and 24,693.90

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Solution

The fourth proportional to 42,408.60, 63,612.90 and 24,693.90 is: 37,040.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,408.60 : 63,612.90 = 24,693.90 : x
  2. Step 2: Convert to fraction form
    42,408.60/63,612.90 = 24,693.90/x
  3. Step 3: Cross multiply
    42,408.60x = 63,612.90 × 24,693.90
  4. Step 4: Simplify right side
    42,408.60x = 1,570,850,591.31
  5. Step 5: Solve for x
    x = 1,570,850,591.31/42,408.60
  6. Step 6: Final answer
    x = 37,040.85

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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.