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Finding the Fourth Proportional to 5,306.57, 7,323.17 and 2,948.93

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Solution

The fourth proportional to 5,306.57, 7,323.17 and 2,948.93 is: 4,069.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306.57 : 7,323.17 = 2,948.93 : x
  2. Step 2: Convert to fraction form
    5,306.57/7,323.17 = 2,948.93/x
  3. Step 3: Cross multiply
    5,306.57x = 7,323.17 × 2,948.93
  4. Step 4: Simplify right side
    5,306.57x = 21,595,500.96
  5. Step 5: Solve for x
    x = 21,595,500.96/5,306.57
  6. Step 6: Final answer
    x = 4,069.58

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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.