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Finding the Fourth Proportional to 5,001.92, 7,503.01 and 1,715

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Solution

The fourth proportional to 5,001.92, 7,503.01 and 1,715 is: 2,572.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,001.92 : 7,503.01 = 1,715 : x
  2. Step 2: Convert to fraction form
    5,001.92/7,503.01 = 1,715/x
  3. Step 3: Cross multiply
    5,001.92x = 7,503.01 × 1,715
  4. Step 4: Simplify right side
    5,001.92x = 12,867,662.15
  5. Step 5: Solve for x
    x = 12,867,662.15/5,001.92
  6. Step 6: Final answer
    x = 2,572.54

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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.