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Finding the Fourth Proportional to 8,773.70, 13,152.15 and 2,927.30

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Solution

The fourth proportional to 8,773.70, 13,152.15 and 2,927.30 is: 4,388.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,773.70 : 13,152.15 = 2,927.30 : x
  2. Step 2: Convert to fraction form
    8,773.70/13,152.15 = 2,927.30/x
  3. Step 3: Cross multiply
    8,773.70x = 13,152.15 × 2,927.30
  4. Step 4: Simplify right side
    8,773.70x = 38,500,288.70
  5. Step 5: Solve for x
    x = 38,500,288.70/8,773.70
  6. Step 6: Final answer
    x = 4,388.15

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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.