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Finding the Fourth Proportional to 5,011.76, 7,510.36 and 3,553.76

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Solution

The fourth proportional to 5,011.76, 7,510.36 and 3,553.76 is: 5,325.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.76 : 7,510.36 = 3,553.76 : x
  2. Step 2: Convert to fraction form
    5,011.76/7,510.36 = 3,553.76/x
  3. Step 3: Cross multiply
    5,011.76x = 7,510.36 × 3,553.76
  4. Step 4: Simplify right side
    5,011.76x = 26,690,016.95
  5. Step 5: Solve for x
    x = 26,690,016.95/5,011.76
  6. Step 6: Final answer
    x = 5,325.48

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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.