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Finding the Fourth Proportional to 1,758.55, 2,636.92 and 588.13

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Solution

The fourth proportional to 1,758.55, 2,636.92 and 588.13 is: 881.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758.55 : 2,636.92 = 588.13 : x
  2. Step 2: Convert to fraction form
    1,758.55/2,636.92 = 588.13/x
  3. Step 3: Cross multiply
    1,758.55x = 2,636.92 × 588.13
  4. Step 4: Simplify right side
    1,758.55x = 1,550,851.76
  5. Step 5: Solve for x
    x = 1,550,851.76/1,758.55
  6. Step 6: Final answer
    x = 881.89

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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.