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Finding the Fourth Proportional to 10,191.87, 15,277.05 and 5,799.87

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Solution

The fourth proportional to 10,191.87, 15,277.05 and 5,799.87 is: 8,693.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,191.87 : 15,277.05 = 5,799.87 : x
  2. Step 2: Convert to fraction form
    10,191.87/15,277.05 = 5,799.87/x
  3. Step 3: Cross multiply
    10,191.87x = 15,277.05 × 5,799.87
  4. Step 4: Simplify right side
    10,191.87x = 88,604,903.98
  5. Step 5: Solve for x
    x = 88,604,903.98/10,191.87
  6. Step 6: Final answer
    x = 8,693.68

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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.