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Finding the Fourth Proportional to 8,672.85, 13,010.04 and 2,432.93

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Solution

The fourth proportional to 8,672.85, 13,010.04 and 2,432.93 is: 3,649.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,672.85 : 13,010.04 = 2,432.93 : x
  2. Step 2: Convert to fraction form
    8,672.85/13,010.04 = 2,432.93/x
  3. Step 3: Cross multiply
    8,672.85x = 13,010.04 × 2,432.93
  4. Step 4: Simplify right side
    8,672.85x = 31,652,451.57
  5. Step 5: Solve for x
    x = 31,652,451.57/8,672.85
  6. Step 6: Final answer
    x = 3,649.60

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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.