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Finding the Fourth Proportional to 4,747.18, 7,091.17 and 3,516.99

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Solution

The fourth proportional to 4,747.18, 7,091.17 and 3,516.99 is: 5,253.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747.18 : 7,091.17 = 3,516.99 : x
  2. Step 2: Convert to fraction form
    4,747.18/7,091.17 = 3,516.99/x
  3. Step 3: Cross multiply
    4,747.18x = 7,091.17 × 3,516.99
  4. Step 4: Simplify right side
    4,747.18x = 24,939,598.26
  5. Step 5: Solve for x
    x = 24,939,598.26/4,747.18
  6. Step 6: Final answer
    x = 5,253.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.