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Finding the Fourth Proportional to 1,654.70, 2,483.33 and 875.61

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Solution

The fourth proportional to 1,654.70, 2,483.33 and 875.61 is: 1,314.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654.70 : 2,483.33 = 875.61 : x
  2. Step 2: Convert to fraction form
    1,654.70/2,483.33 = 875.61/x
  3. Step 3: Cross multiply
    1,654.70x = 2,483.33 × 875.61
  4. Step 4: Simplify right side
    1,654.70x = 2,174,424.20
  5. Step 5: Solve for x
    x = 2,174,424.20/1,654.70
  6. Step 6: Final answer
    x = 1,314.09

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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.