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Finding the Fourth Proportional to 24,374.60, 36,561.90 and 12,686.30

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Solution

The fourth proportional to 24,374.60, 36,561.90 and 12,686.30 is: 19,029.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,374.60 : 36,561.90 = 12,686.30 : x
  2. Step 2: Convert to fraction form
    24,374.60/36,561.90 = 12,686.30/x
  3. Step 3: Cross multiply
    24,374.60x = 36,561.90 × 12,686.30
  4. Step 4: Simplify right side
    24,374.60x = 463,835,231.97
  5. Step 5: Solve for x
    x = 463,835,231.97/24,374.60
  6. Step 6: Final answer
    x = 19,029.45

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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.