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Finding the Fourth Proportional to 5,307.48, 7,957.50 and 2,529.96

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Solution

The fourth proportional to 5,307.48, 7,957.50 and 2,529.96 is: 3,793.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.48 : 7,957.50 = 2,529.96 : x
  2. Step 2: Convert to fraction form
    5,307.48/7,957.50 = 2,529.96/x
  3. Step 3: Cross multiply
    5,307.48x = 7,957.50 × 2,529.96
  4. Step 4: Simplify right side
    5,307.48x = 20,132,156.70
  5. Step 5: Solve for x
    x = 20,132,156.70/5,307.48
  6. Step 6: Final answer
    x = 3,793.17

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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.