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Finding the Fourth Proportional to 1,683.72, 2,525.85 and 588.42

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Solution

The fourth proportional to 1,683.72, 2,525.85 and 588.42 is: 882.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683.72 : 2,525.85 = 588.42 : x
  2. Step 2: Convert to fraction form
    1,683.72/2,525.85 = 588.42/x
  3. Step 3: Cross multiply
    1,683.72x = 2,525.85 × 588.42
  4. Step 4: Simplify right side
    1,683.72x = 1,486,260.66
  5. Step 5: Solve for x
    x = 1,486,260.66/1,683.72
  6. Step 6: Final answer
    x = 882.72

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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.