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Finding the Fourth Proportional to 50,894.88, 70,269.96 and 38,937.36

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Solution

The fourth proportional to 50,894.88, 70,269.96 and 38,937.36 is: 53,760.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,894.88 : 70,269.96 = 38,937.36 : x
  2. Step 2: Convert to fraction form
    50,894.88/70,269.96 = 38,937.36/x
  3. Step 3: Cross multiply
    50,894.88x = 70,269.96 × 38,937.36
  4. Step 4: Simplify right side
    50,894.88x = 2,736,126,729.71
  5. Step 5: Solve for x
    x = 2,736,126,729.71/50,894.88
  6. Step 6: Final answer
    x = 53,760.35

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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.