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Finding the Fourth Proportional to 8,752.70, 13,129.04 and 2,596.70

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Solution

The fourth proportional to 8,752.70, 13,129.04 and 2,596.70 is: 3,895.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752.70 : 13,129.04 = 2,596.70 : x
  2. Step 2: Convert to fraction form
    8,752.70/13,129.04 = 2,596.70/x
  3. Step 3: Cross multiply
    8,752.70x = 13,129.04 × 2,596.70
  4. Step 4: Simplify right side
    8,752.70x = 34,092,099.54
  5. Step 5: Solve for x
    x = 34,092,099.54/8,752.70
  6. Step 6: Final answer
    x = 3,895.04

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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.