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Finding the Fourth Proportional to 8,798.19, 13,210.46 and 7,615.90

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Solution

The fourth proportional to 8,798.19, 13,210.46 and 7,615.90 is: 11,435.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.19 : 13,210.46 = 7,615.90 : x
  2. Step 2: Convert to fraction form
    8,798.19/13,210.46 = 7,615.90/x
  3. Step 3: Cross multiply
    8,798.19x = 13,210.46 × 7,615.90
  4. Step 4: Simplify right side
    8,798.19x = 100,609,561.17
  5. Step 5: Solve for x
    x = 100,609,561.17/8,798.19
  6. Step 6: Final answer
    x = 11,435.26

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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.