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Finding the Fourth Proportional to 61,817.20, 92,725.80 and 33,726.40

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Solution

The fourth proportional to 61,817.20, 92,725.80 and 33,726.40 is: 50,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,817.20 : 92,725.80 = 33,726.40 : x
  2. Step 2: Convert to fraction form
    61,817.20/92,725.80 = 33,726.40/x
  3. Step 3: Cross multiply
    61,817.20x = 92,725.80 × 33,726.40
  4. Step 4: Simplify right side
    61,817.20x = 3,127,307,421.12
  5. Step 5: Solve for x
    x = 3,127,307,421.12/61,817.20
  6. Step 6: Final answer
    x = 50,589.60

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1.5x scale

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.