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Finding the Fourth Proportional to 53,306.84, 80,009.04 and 27,029.72

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Solution

The fourth proportional to 53,306.84, 80,009.04 and 27,029.72 is: 40,569.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,306.84 : 80,009.04 = 27,029.72 : x
  2. Step 2: Convert to fraction form
    53,306.84/80,009.04 = 27,029.72/x
  3. Step 3: Cross multiply
    53,306.84x = 80,009.04 × 27,029.72
  4. Step 4: Simplify right side
    53,306.84x = 2,162,621,948.67
  5. Step 5: Solve for x
    x = 2,162,621,948.67/53,306.84
  6. Step 6: Final answer
    x = 40,569.31

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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.