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Finding the Fourth Proportional to 7,488.61, 10,343.48 and 5,608.59

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Solution

The fourth proportional to 7,488.61, 10,343.48 and 5,608.59 is: 7,746.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.61 : 10,343.48 = 5,608.59 : x
  2. Step 2: Convert to fraction form
    7,488.61/10,343.48 = 5,608.59/x
  3. Step 3: Cross multiply
    7,488.61x = 10,343.48 × 5,608.59
  4. Step 4: Simplify right side
    7,488.61x = 58,012,391.30
  5. Step 5: Solve for x
    x = 58,012,391.30/7,488.61
  6. Step 6: Final answer
    x = 7,746.75

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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.