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Finding the Fourth Proportional to 2,088.71, 3,132.75 and 701.99

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Solution

The fourth proportional to 2,088.71, 3,132.75 and 701.99 is: 1,052.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.71 : 3,132.75 = 701.99 : x
  2. Step 2: Convert to fraction form
    2,088.71/3,132.75 = 701.99/x
  3. Step 3: Cross multiply
    2,088.71x = 3,132.75 × 701.99
  4. Step 4: Simplify right side
    2,088.71x = 2,199,159.17
  5. Step 5: Solve for x
    x = 2,199,159.17/2,088.71
  6. Step 6: Final answer
    x = 1,052.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.