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Finding the Fourth Proportional to 9,291.76, 12,822.24 and 5,099.74

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Solution

The fourth proportional to 9,291.76, 12,822.24 and 5,099.74 is: 7,037.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291.76 : 12,822.24 = 5,099.74 : x
  2. Step 2: Convert to fraction form
    9,291.76/12,822.24 = 5,099.74/x
  3. Step 3: Cross multiply
    9,291.76x = 12,822.24 × 5,099.74
  4. Step 4: Simplify right side
    9,291.76x = 65,390,090.22
  5. Step 5: Solve for x
    x = 65,390,090.22/9,291.76
  6. Step 6: Final answer
    x = 7,037.43

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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.