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Finding the Fourth Proportional to 7,103.84, 10,655.52 and 2,486.72

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Solution

The fourth proportional to 7,103.84, 10,655.52 and 2,486.72 is: 3,730.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103.84 : 10,655.52 = 2,486.72 : x
  2. Step 2: Convert to fraction form
    7,103.84/10,655.52 = 2,486.72/x
  3. Step 3: Cross multiply
    7,103.84x = 10,655.52 × 2,486.72
  4. Step 4: Simplify right side
    7,103.84x = 26,497,294.69
  5. Step 5: Solve for x
    x = 26,497,294.69/7,103.84
  6. Step 6: Final answer
    x = 3,730.00

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.