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Finding the Fourth Proportional to 8,910.58, 13,371.12 and 4,753.66

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Solution

The fourth proportional to 8,910.58, 13,371.12 and 4,753.66 is: 7,133.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.58 : 13,371.12 = 4,753.66 : x
  2. Step 2: Convert to fraction form
    8,910.58/13,371.12 = 4,753.66/x
  3. Step 3: Cross multiply
    8,910.58x = 13,371.12 × 4,753.66
  4. Step 4: Simplify right side
    8,910.58x = 63,561,758.30
  5. Step 5: Solve for x
    x = 63,561,758.30/8,910.58
  6. Step 6: Final answer
    x = 7,133.29

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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.