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Finding the Fourth Proportional to 50,693.71, 69,957.78 and 28,034.23

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Solution

The fourth proportional to 50,693.71, 69,957.78 and 28,034.23 is: 38,687.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,693.71 : 69,957.78 = 28,034.23 : x
  2. Step 2: Convert to fraction form
    50,693.71/69,957.78 = 28,034.23/x
  3. Step 3: Cross multiply
    50,693.71x = 69,957.78 × 28,034.23
  4. Step 4: Simplify right side
    50,693.71x = 1,961,212,214.79
  5. Step 5: Solve for x
    x = 1,961,212,214.79/50,693.71
  6. Step 6: Final answer
    x = 38,687.49

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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.