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Finding the Fourth Proportional to 5,595.50, 7,721.80 and 3,237.82

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Solution

The fourth proportional to 5,595.50, 7,721.80 and 3,237.82 is: 4,468.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,595.50 : 7,721.80 = 3,237.82 : x
  2. Step 2: Convert to fraction form
    5,595.50/7,721.80 = 3,237.82/x
  3. Step 3: Cross multiply
    5,595.50x = 7,721.80 × 3,237.82
  4. Step 4: Simplify right side
    5,595.50x = 25,001,798.48
  5. Step 5: Solve for x
    x = 25,001,798.48/5,595.50
  6. Step 6: Final answer
    x = 4,468.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.