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Finding the Fourth Proportional to 45,073.50, 67,595.87 and 15,484.20

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Solution

The fourth proportional to 45,073.50, 67,595.87 and 15,484.20 is: 23,221.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,073.50 : 67,595.87 = 15,484.20 : x
  2. Step 2: Convert to fraction form
    45,073.50/67,595.87 = 15,484.20/x
  3. Step 3: Cross multiply
    45,073.50x = 67,595.87 × 15,484.20
  4. Step 4: Simplify right side
    45,073.50x = 1,046,667,970.25
  5. Step 5: Solve for x
    x = 1,046,667,970.25/45,073.50
  6. Step 6: Final answer
    x = 23,221.36

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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.