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Finding the Fourth Proportional to 60,211.68, 83,148.39 and 38,738.79

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Solution

The fourth proportional to 60,211.68, 83,148.39 and 38,738.79 is: 53,495.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,211.68 : 83,148.39 = 38,738.79 : x
  2. Step 2: Convert to fraction form
    60,211.68/83,148.39 = 38,738.79/x
  3. Step 3: Cross multiply
    60,211.68x = 83,148.39 × 38,738.79
  4. Step 4: Simplify right side
    60,211.68x = 3,221,068,019.05
  5. Step 5: Solve for x
    x = 3,221,068,019.05/60,211.68
  6. Step 6: Final answer
    x = 53,495.73

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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.