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Finding the Fourth Proportional to 8,792.75, 13,189.11 and 3,598.61

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Solution

The fourth proportional to 8,792.75, 13,189.11 and 3,598.61 is: 5,397.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792.75 : 13,189.11 = 3,598.61 : x
  2. Step 2: Convert to fraction form
    8,792.75/13,189.11 = 3,598.61/x
  3. Step 3: Cross multiply
    8,792.75x = 13,189.11 × 3,598.61
  4. Step 4: Simplify right side
    8,792.75x = 47,462,463.14
  5. Step 5: Solve for x
    x = 47,462,463.14/8,792.75
  6. Step 6: Final answer
    x = 5,397.91

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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.