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Finding the Fourth Proportional to 5,663.70, 8,500.80 and 2,892.36

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Solution

The fourth proportional to 5,663.70, 8,500.80 and 2,892.36 is: 4,341.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,663.70 : 8,500.80 = 2,892.36 : x
  2. Step 2: Convert to fraction form
    5,663.70/8,500.80 = 2,892.36/x
  3. Step 3: Cross multiply
    5,663.70x = 8,500.80 × 2,892.36
  4. Step 4: Simplify right side
    5,663.70x = 24,587,373.89
  5. Step 5: Solve for x
    x = 24,587,373.89/5,663.70
  6. Step 6: Final answer
    x = 4,341.22

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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.