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Finding the Fourth Proportional to 8,858.77, 12,225.17 and 5,082.10

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Solution

The fourth proportional to 8,858.77, 12,225.17 and 5,082.10 is: 7,013.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.77 : 12,225.17 = 5,082.10 : x
  2. Step 2: Convert to fraction form
    8,858.77/12,225.17 = 5,082.10/x
  3. Step 3: Cross multiply
    8,858.77x = 12,225.17 × 5,082.10
  4. Step 4: Simplify right side
    8,858.77x = 62,129,511.05
  5. Step 5: Solve for x
    x = 62,129,511.05/8,858.77
  6. Step 6: Final answer
    x = 7,013.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.