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Finding the Fourth Proportional to 7,387.68, 10,196.27 and 7,055.52

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Solution

The fourth proportional to 7,387.68, 10,196.27 and 7,055.52 is: 9,737.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.68 : 10,196.27 = 7,055.52 : x
  2. Step 2: Convert to fraction form
    7,387.68/10,196.27 = 7,055.52/x
  3. Step 3: Cross multiply
    7,387.68x = 10,196.27 × 7,055.52
  4. Step 4: Simplify right side
    7,387.68x = 71,939,951.63
  5. Step 5: Solve for x
    x = 71,939,951.63/7,387.68
  6. Step 6: Final answer
    x = 9,737.83

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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.