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Finding the Fourth Proportional to 37,073.28, 55,609.28 and 9,371.20

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Solution

The fourth proportional to 37,073.28, 55,609.28 and 9,371.20 is: 14,056.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,073.28 : 55,609.28 = 9,371.20 : x
  2. Step 2: Convert to fraction form
    37,073.28/55,609.28 = 9,371.20/x
  3. Step 3: Cross multiply
    37,073.28x = 55,609.28 × 9,371.20
  4. Step 4: Simplify right side
    37,073.28x = 521,125,684.74
  5. Step 5: Solve for x
    x = 521,125,684.74/37,073.28
  6. Step 6: Final answer
    x = 14,056.64

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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.