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Finding the Fourth Proportional to 8,473.44, 12,710.64 and 3,542.16

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Solution

The fourth proportional to 8,473.44, 12,710.64 and 3,542.16 is: 5,313.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,473.44 : 12,710.64 = 3,542.16 : x
  2. Step 2: Convert to fraction form
    8,473.44/12,710.64 = 3,542.16/x
  3. Step 3: Cross multiply
    8,473.44x = 12,710.64 × 3,542.16
  4. Step 4: Simplify right side
    8,473.44x = 45,023,120.58
  5. Step 5: Solve for x
    x = 45,023,120.58/8,473.44
  6. Step 6: Final answer
    x = 5,313.44

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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.