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Finding the Fourth Proportional to 5,289.76, 7,934.72 and 1,592.16

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Solution

The fourth proportional to 5,289.76, 7,934.72 and 1,592.16 is: 2,388.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.76 : 7,934.72 = 1,592.16 : x
  2. Step 2: Convert to fraction form
    5,289.76/7,934.72 = 1,592.16/x
  3. Step 3: Cross multiply
    5,289.76x = 7,934.72 × 1,592.16
  4. Step 4: Simplify right side
    5,289.76x = 12,633,343.80
  5. Step 5: Solve for x
    x = 12,633,343.80/5,289.76
  6. Step 6: Final answer
    x = 2,388.26

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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.