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Finding the Fourth Proportional to 7,471.17, 11,191.80 and 4,507.99

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Solution

The fourth proportional to 7,471.17, 11,191.80 and 4,507.99 is: 6,752.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,471.17 : 11,191.80 = 4,507.99 : x
  2. Step 2: Convert to fraction form
    7,471.17/11,191.80 = 4,507.99/x
  3. Step 3: Cross multiply
    7,471.17x = 11,191.80 × 4,507.99
  4. Step 4: Simplify right side
    7,471.17x = 50,452,511.41
  5. Step 5: Solve for x
    x = 50,452,511.41/7,471.17
  6. Step 6: Final answer
    x = 6,752.96

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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.