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Finding the Fourth Proportional to 5,306.76, 7,959.11 and 5,043.34

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Solution

The fourth proportional to 5,306.76, 7,959.11 and 5,043.34 is: 7,564.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306.76 : 7,959.11 = 5,043.34 : x
  2. Step 2: Convert to fraction form
    5,306.76/7,959.11 = 5,043.34/x
  3. Step 3: Cross multiply
    5,306.76x = 7,959.11 × 5,043.34
  4. Step 4: Simplify right side
    5,306.76x = 40,140,452.71
  5. Step 5: Solve for x
    x = 40,140,452.71/5,306.76
  6. Step 6: Final answer
    x = 7,564.02

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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.