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Finding the Fourth Proportional to 7,798.55, 10,761.87 and 4,261.68

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Solution

The fourth proportional to 7,798.55, 10,761.87 and 4,261.68 is: 5,881.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,798.55 : 10,761.87 = 4,261.68 : x
  2. Step 2: Convert to fraction form
    7,798.55/10,761.87 = 4,261.68/x
  3. Step 3: Cross multiply
    7,798.55x = 10,761.87 × 4,261.68
  4. Step 4: Simplify right side
    7,798.55x = 45,863,646.14
  5. Step 5: Solve for x
    x = 45,863,646.14/7,798.55
  6. Step 6: Final answer
    x = 5,881.05

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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.