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Finding the Fourth Proportional to 48,686.80, 73,030.20 and 27,950.80

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Solution

The fourth proportional to 48,686.80, 73,030.20 and 27,950.80 is: 41,926.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,686.80 : 73,030.20 = 27,950.80 : x
  2. Step 2: Convert to fraction form
    48,686.80/73,030.20 = 27,950.80/x
  3. Step 3: Cross multiply
    48,686.80x = 73,030.20 × 27,950.80
  4. Step 4: Simplify right side
    48,686.80x = 2,041,252,514.16
  5. Step 5: Solve for x
    x = 2,041,252,514.16/48,686.80
  6. Step 6: Final answer
    x = 41,926.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.