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Finding the Fourth Proportional to 41,272.60, 61,908.90 and 14,978.20

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Solution

The fourth proportional to 41,272.60, 61,908.90 and 14,978.20 is: 22,467.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,272.60 : 61,908.90 = 14,978.20 : x
  2. Step 2: Convert to fraction form
    41,272.60/61,908.90 = 14,978.20/x
  3. Step 3: Cross multiply
    41,272.60x = 61,908.90 × 14,978.20
  4. Step 4: Simplify right side
    41,272.60x = 927,283,885.98
  5. Step 5: Solve for x
    x = 927,283,885.98/41,272.60
  6. Step 6: Final answer
    x = 22,467.30

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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.