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Finding the Fourth Proportional to 8,874.99, 13,302.85 and 4,375.16

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Solution

The fourth proportional to 8,874.99, 13,302.85 and 4,375.16 is: 6,557.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874.99 : 13,302.85 = 4,375.16 : x
  2. Step 2: Convert to fraction form
    8,874.99/13,302.85 = 4,375.16/x
  3. Step 3: Cross multiply
    8,874.99x = 13,302.85 × 4,375.16
  4. Step 4: Simplify right side
    8,874.99x = 58,202,097.21
  5. Step 5: Solve for x
    x = 58,202,097.21/8,874.99
  6. Step 6: Final answer
    x = 6,557.99

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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.