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Finding the Fourth Proportional to 7,510.82, 10,364.88 and 4,153.78

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Solution

The fourth proportional to 7,510.82, 10,364.88 and 4,153.78 is: 5,732.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,510.82 : 10,364.88 = 4,153.78 : x
  2. Step 2: Convert to fraction form
    7,510.82/10,364.88 = 4,153.78/x
  3. Step 3: Cross multiply
    7,510.82x = 10,364.88 × 4,153.78
  4. Step 4: Simplify right side
    7,510.82x = 43,053,402.71
  5. Step 5: Solve for x
    x = 43,053,402.71/7,510.82
  6. Step 6: Final answer
    x = 5,732.18

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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.