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Finding the Fourth Proportional to 7,275.62, 10,042.36 and 4,253.36

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Solution

The fourth proportional to 7,275.62, 10,042.36 and 4,253.36 is: 5,870.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.62 : 10,042.36 = 4,253.36 : x
  2. Step 2: Convert to fraction form
    7,275.62/10,042.36 = 4,253.36/x
  3. Step 3: Cross multiply
    7,275.62x = 10,042.36 × 4,253.36
  4. Step 4: Simplify right side
    7,275.62x = 42,713,711.48
  5. Step 5: Solve for x
    x = 42,713,711.48/7,275.62
  6. Step 6: Final answer
    x = 5,870.80

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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.