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Finding the Fourth Proportional to 52,007.50, 71,769.96 and 28,133.83

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Solution

The fourth proportional to 52,007.50, 71,769.96 and 28,133.83 is: 38,824.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,007.50 : 71,769.96 = 28,133.83 : x
  2. Step 2: Convert to fraction form
    52,007.50/71,769.96 = 28,133.83/x
  3. Step 3: Cross multiply
    52,007.50x = 71,769.96 × 28,133.83
  4. Step 4: Simplify right side
    52,007.50x = 2,019,163,853.75
  5. Step 5: Solve for x
    x = 2,019,163,853.75/52,007.50
  6. Step 6: Final answer
    x = 38,824.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.