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Finding the Fourth Proportional to 7,502.76, 10,335.60 and 5,260.28

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Solution

The fourth proportional to 7,502.76, 10,335.60 and 5,260.28 is: 7,246.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,502.76 : 10,335.60 = 5,260.28 : x
  2. Step 2: Convert to fraction form
    7,502.76/10,335.60 = 5,260.28/x
  3. Step 3: Cross multiply
    7,502.76x = 10,335.60 × 5,260.28
  4. Step 4: Simplify right side
    7,502.76x = 54,368,098.29
  5. Step 5: Solve for x
    x = 54,368,098.29/7,502.76
  6. Step 6: Final answer
    x = 7,246.41

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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.