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Finding the Fourth Proportional to 27,282.80, 40,851.30 and 17,368.40

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Solution

The fourth proportional to 27,282.80, 40,851.30 and 17,368.40 is: 26,006.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,282.80 : 40,851.30 = 17,368.40 : x
  2. Step 2: Convert to fraction form
    27,282.80/40,851.30 = 17,368.40/x
  3. Step 3: Cross multiply
    27,282.80x = 40,851.30 × 17,368.40
  4. Step 4: Simplify right side
    27,282.80x = 709,521,718.92
  5. Step 5: Solve for x
    x = 709,521,718.92/27,282.80
  6. Step 6: Final answer
    x = 26,006.19

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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.