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Finding the Fourth Proportional to 45,164.60, 67,756.80 and 15,177.76

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Solution

The fourth proportional to 45,164.60, 67,756.80 and 15,177.76 is: 22,769.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,164.60 : 67,756.80 = 15,177.76 : x
  2. Step 2: Convert to fraction form
    45,164.60/67,756.80 = 15,177.76/x
  3. Step 3: Cross multiply
    45,164.60x = 67,756.80 × 15,177.76
  4. Step 4: Simplify right side
    45,164.60x = 1,028,396,448.77
  5. Step 5: Solve for x
    x = 1,028,396,448.77/45,164.60
  6. Step 6: Final answer
    x = 22,769.97

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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.