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Finding the Fourth Proportional to 5,088.76, 7,616.94 and 4,388.92

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Solution

The fourth proportional to 5,088.76, 7,616.94 and 4,388.92 is: 6,569.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.76 : 7,616.94 = 4,388.92 : x
  2. Step 2: Convert to fraction form
    5,088.76/7,616.94 = 4,388.92/x
  3. Step 3: Cross multiply
    5,088.76x = 7,616.94 × 4,388.92
  4. Step 4: Simplify right side
    5,088.76x = 33,430,140.30
  5. Step 5: Solve for x
    x = 33,430,140.30/5,088.76
  6. Step 6: Final answer
    x = 6,569.41

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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.