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Finding the Fourth Proportional to 53,347.80, 80,013.30 and 33,565.80

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Solution

The fourth proportional to 53,347.80, 80,013.30 and 33,565.80 is: 50,343.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,347.80 : 80,013.30 = 33,565.80 : x
  2. Step 2: Convert to fraction form
    53,347.80/80,013.30 = 33,565.80/x
  3. Step 3: Cross multiply
    53,347.80x = 80,013.30 × 33,565.80
  4. Step 4: Simplify right side
    53,347.80x = 2,685,710,425.14
  5. Step 5: Solve for x
    x = 2,685,710,425.14/53,347.80
  6. Step 6: Final answer
    x = 50,343.41

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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.