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Finding the Fourth Proportional to 50,012.91, 69,042.91 and 38,656.77

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Solution

The fourth proportional to 50,012.91, 69,042.91 and 38,656.77 is: 53,365.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,012.91 : 69,042.91 = 38,656.77 : x
  2. Step 2: Convert to fraction form
    50,012.91/69,042.91 = 38,656.77/x
  3. Step 3: Cross multiply
    50,012.91x = 69,042.91 × 38,656.77
  4. Step 4: Simplify right side
    50,012.91x = 2,668,975,681.41
  5. Step 5: Solve for x
    x = 2,668,975,681.41/50,012.91
  6. Step 6: Final answer
    x = 53,365.73

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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.