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Finding the Fourth Proportional to 50,368.80, 69,501.24 and 29,143.97

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Solution

The fourth proportional to 50,368.80, 69,501.24 and 29,143.97 is: 40,214.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,368.80 : 69,501.24 = 29,143.97 : x
  2. Step 2: Convert to fraction form
    50,368.80/69,501.24 = 29,143.97/x
  3. Step 3: Cross multiply
    50,368.80x = 69,501.24 × 29,143.97
  4. Step 4: Simplify right side
    50,368.80x = 2,025,541,966.65
  5. Step 5: Solve for x
    x = 2,025,541,966.65/50,368.80
  6. Step 6: Final answer
    x = 40,214.22

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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.