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Finding the Fourth Proportional to 7,087.52, 9,781.02 and 5,106.46

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Solution

The fourth proportional to 7,087.52, 9,781.02 and 5,106.46 is: 7,047.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087.52 : 9,781.02 = 5,106.46 : x
  2. Step 2: Convert to fraction form
    7,087.52/9,781.02 = 5,106.46/x
  3. Step 3: Cross multiply
    7,087.52x = 9,781.02 × 5,106.46
  4. Step 4: Simplify right side
    7,087.52x = 49,946,387.39
  5. Step 5: Solve for x
    x = 49,946,387.39/7,087.52
  6. Step 6: Final answer
    x = 7,047.09

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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.