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Finding the Fourth Proportional to 1,663.48, 2,494.58 and 567.64

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Solution

The fourth proportional to 1,663.48, 2,494.58 and 567.64 is: 851.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663.48 : 2,494.58 = 567.64 : x
  2. Step 2: Convert to fraction form
    1,663.48/2,494.58 = 567.64/x
  3. Step 3: Cross multiply
    1,663.48x = 2,494.58 × 567.64
  4. Step 4: Simplify right side
    1,663.48x = 1,416,023.39
  5. Step 5: Solve for x
    x = 1,416,023.39/1,663.48
  6. Step 6: Final answer
    x = 851.24

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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.