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Finding the Fourth Proportional to 10,088.52, 13,922.78 and 5,613.06

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Solution

The fourth proportional to 10,088.52, 13,922.78 and 5,613.06 is: 7,746.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,088.52 : 13,922.78 = 5,613.06 : x
  2. Step 2: Convert to fraction form
    10,088.52/13,922.78 = 5,613.06/x
  3. Step 3: Cross multiply
    10,088.52x = 13,922.78 × 5,613.06
  4. Step 4: Simplify right side
    10,088.52x = 78,149,371.44
  5. Step 5: Solve for x
    x = 78,149,371.44/10,088.52
  6. Step 6: Final answer
    x = 7,746.37

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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.