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Finding the Fourth Proportional to 8,754.42, 13,119.87 and 4,799.76

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Solution

The fourth proportional to 8,754.42, 13,119.87 and 4,799.76 is: 7,193.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754.42 : 13,119.87 = 4,799.76 : x
  2. Step 2: Convert to fraction form
    8,754.42/13,119.87 = 4,799.76/x
  3. Step 3: Cross multiply
    8,754.42x = 13,119.87 × 4,799.76
  4. Step 4: Simplify right side
    8,754.42x = 62,972,227.23
  5. Step 5: Solve for x
    x = 62,972,227.23/8,754.42
  6. Step 6: Final answer
    x = 7,193.19

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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.