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Finding the Fourth Proportional to 12,752.44, 19,132.38 and 5,353

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Solution

The fourth proportional to 12,752.44, 19,132.38 and 5,353 is: 8,031.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,752.44 : 19,132.38 = 5,353 : x
  2. Step 2: Convert to fraction form
    12,752.44/19,132.38 = 5,353/x
  3. Step 3: Cross multiply
    12,752.44x = 19,132.38 × 5,353
  4. Step 4: Simplify right side
    12,752.44x = 102,415,630.14
  5. Step 5: Solve for x
    x = 102,415,630.14/12,752.44
  6. Step 6: Final answer
    x = 8,031.06

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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.