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Finding the Fourth Proportional to 52,701.30, 72,734.76 and 30,048.48

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Solution

The fourth proportional to 52,701.30, 72,734.76 and 30,048.48 is: 41,470.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,701.30 : 72,734.76 = 30,048.48 : x
  2. Step 2: Convert to fraction form
    52,701.30/72,734.76 = 30,048.48/x
  3. Step 3: Cross multiply
    52,701.30x = 72,734.76 × 30,048.48
  4. Step 4: Simplify right side
    52,701.30x = 2,185,568,981.16
  5. Step 5: Solve for x
    x = 2,185,568,981.16/52,701.30
  6. Step 6: Final answer
    x = 41,470.87

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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.