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Finding the Fourth Proportional to 2,088.15, 3,132.23 and 855.68

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Solution

The fourth proportional to 2,088.15, 3,132.23 and 855.68 is: 1,283.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.15 : 3,132.23 = 855.68 : x
  2. Step 2: Convert to fraction form
    2,088.15/3,132.23 = 855.68/x
  3. Step 3: Cross multiply
    2,088.15x = 3,132.23 × 855.68
  4. Step 4: Simplify right side
    2,088.15x = 2,680,186.57
  5. Step 5: Solve for x
    x = 2,680,186.57/2,088.15
  6. Step 6: Final answer
    x = 1,283.52

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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.