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Finding the Fourth Proportional to 27,304.80, 40,973.13 and 11,508.87

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Solution

The fourth proportional to 27,304.80, 40,973.13 and 11,508.87 is: 17,270.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,304.80 : 40,973.13 = 11,508.87 : x
  2. Step 2: Convert to fraction form
    27,304.80/40,973.13 = 11,508.87/x
  3. Step 3: Cross multiply
    27,304.80x = 40,973.13 × 11,508.87
  4. Step 4: Simplify right side
    27,304.80x = 471,554,295.46
  5. Step 5: Solve for x
    x = 471,554,295.46/27,304.80
  6. Step 6: Final answer
    x = 17,270.01

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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.