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Finding the Fourth Proportional to 9,088.90, 13,615.98 and 7,617.54

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Solution

The fourth proportional to 9,088.90, 13,615.98 and 7,617.54 is: 11,411.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,088.90 : 13,615.98 = 7,617.54 : x
  2. Step 2: Convert to fraction form
    9,088.90/13,615.98 = 7,617.54/x
  3. Step 3: Cross multiply
    9,088.90x = 13,615.98 × 7,617.54
  4. Step 4: Simplify right side
    9,088.90x = 103,720,272.29
  5. Step 5: Solve for x
    x = 103,720,272.29/9,088.90
  6. Step 6: Final answer
    x = 11,411.75

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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.