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Finding the Fourth Proportional to 7,910.10, 10,915.83 and 4,373.10

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Solution

The fourth proportional to 7,910.10, 10,915.83 and 4,373.10 is: 6,034.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910.10 : 10,915.83 = 4,373.10 : x
  2. Step 2: Convert to fraction form
    7,910.10/10,915.83 = 4,373.10/x
  3. Step 3: Cross multiply
    7,910.10x = 10,915.83 × 4,373.10
  4. Step 4: Simplify right side
    7,910.10x = 47,736,016.17
  5. Step 5: Solve for x
    x = 47,736,016.17/7,910.10
  6. Step 6: Final answer
    x = 6,034.82

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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.