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Finding the Fourth Proportional to 7,202.91, 9,938.28 and 4,059.10

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Solution

The fourth proportional to 7,202.91, 9,938.28 and 4,059.10 is: 5,600.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,202.91 : 9,938.28 = 4,059.10 : x
  2. Step 2: Convert to fraction form
    7,202.91/9,938.28 = 4,059.10/x
  3. Step 3: Cross multiply
    7,202.91x = 9,938.28 × 4,059.10
  4. Step 4: Simplify right side
    7,202.91x = 40,340,472.35
  5. Step 5: Solve for x
    x = 40,340,472.35/7,202.91
  6. Step 6: Final answer
    x = 5,600.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.