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Finding the Fourth Proportional to 8,952.47, 12,356.21 and 5,175.79

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Solution

The fourth proportional to 8,952.47, 12,356.21 and 5,175.79 is: 7,143.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,952.47 : 12,356.21 = 5,175.79 : x
  2. Step 2: Convert to fraction form
    8,952.47/12,356.21 = 5,175.79/x
  3. Step 3: Cross multiply
    8,952.47x = 12,356.21 × 5,175.79
  4. Step 4: Simplify right side
    8,952.47x = 63,953,130.20
  5. Step 5: Solve for x
    x = 63,953,130.20/8,952.47
  6. Step 6: Final answer
    x = 7,143.63

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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.