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Finding the Fourth Proportional to 1,748.55, 2,622.73 and 652.83

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Solution

The fourth proportional to 1,748.55, 2,622.73 and 652.83 is: 979.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748.55 : 2,622.73 = 652.83 : x
  2. Step 2: Convert to fraction form
    1,748.55/2,622.73 = 652.83/x
  3. Step 3: Cross multiply
    1,748.55x = 2,622.73 × 652.83
  4. Step 4: Simplify right side
    1,748.55x = 1,712,186.91
  5. Step 5: Solve for x
    x = 1,712,186.91/1,748.55
  6. Step 6: Final answer
    x = 979.21

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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.