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Finding the Fourth Proportional to 24,407.70, 36,611.55 and 12,559.02

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Solution

The fourth proportional to 24,407.70, 36,611.55 and 12,559.02 is: 18,838.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,407.70 : 36,611.55 = 12,559.02 : x
  2. Step 2: Convert to fraction form
    24,407.70/36,611.55 = 12,559.02/x
  3. Step 3: Cross multiply
    24,407.70x = 36,611.55 × 12,559.02
  4. Step 4: Simplify right side
    24,407.70x = 459,805,188.68
  5. Step 5: Solve for x
    x = 459,805,188.68/24,407.70
  6. Step 6: Final answer
    x = 18,838.53

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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.