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Finding the Fourth Proportional to 7,342.58, 10,130.28 and 4,691.54

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Solution

The fourth proportional to 7,342.58, 10,130.28 and 4,691.54 is: 6,472.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.58 : 10,130.28 = 4,691.54 : x
  2. Step 2: Convert to fraction form
    7,342.58/10,130.28 = 4,691.54/x
  3. Step 3: Cross multiply
    7,342.58x = 10,130.28 × 4,691.54
  4. Step 4: Simplify right side
    7,342.58x = 47,526,563.18
  5. Step 5: Solve for x
    x = 47,526,563.18/7,342.58
  6. Step 6: Final answer
    x = 6,472.74

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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.