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Finding the Fourth Proportional to 7,437.97, 10,264.50 and 4,080.72

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Solution

The fourth proportional to 7,437.97, 10,264.50 and 4,080.72 is: 5,631.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,437.97 : 10,264.50 = 4,080.72 : x
  2. Step 2: Convert to fraction form
    7,437.97/10,264.50 = 4,080.72/x
  3. Step 3: Cross multiply
    7,437.97x = 10,264.50 × 4,080.72
  4. Step 4: Simplify right side
    7,437.97x = 41,886,519.72
  5. Step 5: Solve for x
    x = 41,886,519.72/7,437.97
  6. Step 6: Final answer
    x = 5,631.45

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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.