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Finding the Fourth Proportional to 8,770.59, 13,155.99 and 2,927.19

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Solution

The fourth proportional to 8,770.59, 13,155.99 and 2,927.19 is: 4,390.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.59 : 13,155.99 = 2,927.19 : x
  2. Step 2: Convert to fraction form
    8,770.59/13,155.99 = 2,927.19/x
  3. Step 3: Cross multiply
    8,770.59x = 13,155.99 × 2,927.19
  4. Step 4: Simplify right side
    8,770.59x = 38,510,082.37
  5. Step 5: Solve for x
    x = 38,510,082.37/8,770.59
  6. Step 6: Final answer
    x = 4,390.82

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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.