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Finding the Fourth Proportional to 50,873.01, 70,211.93 and 28,217.04

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Solution

The fourth proportional to 50,873.01, 70,211.93 and 28,217.04 is: 38,943.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,873.01 : 70,211.93 = 28,217.04 : x
  2. Step 2: Convert to fraction form
    50,873.01/70,211.93 = 28,217.04/x
  3. Step 3: Cross multiply
    50,873.01x = 70,211.93 × 28,217.04
  4. Step 4: Simplify right side
    50,873.01x = 1,981,172,696.20
  5. Step 5: Solve for x
    x = 1,981,172,696.20/50,873.01
  6. Step 6: Final answer
    x = 38,943.49

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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.