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Finding the Fourth Proportional to 5,663.60, 8,497.20 and 2,542.40

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Solution

The fourth proportional to 5,663.60, 8,497.20 and 2,542.40 is: 3,814.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,663.60 : 8,497.20 = 2,542.40 : x
  2. Step 2: Convert to fraction form
    5,663.60/8,497.20 = 2,542.40/x
  3. Step 3: Cross multiply
    5,663.60x = 8,497.20 × 2,542.40
  4. Step 4: Simplify right side
    5,663.60x = 21,603,281.28
  5. Step 5: Solve for x
    x = 21,603,281.28/5,663.60
  6. Step 6: Final answer
    x = 3,814.41

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1.5x scale

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.