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Finding the Fourth Proportional to 48,573.80, 72,774.30 and 41,661.80

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Solution

The fourth proportional to 48,573.80, 72,774.30 and 41,661.80 is: 62,418.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,573.80 : 72,774.30 = 41,661.80 : x
  2. Step 2: Convert to fraction form
    48,573.80/72,774.30 = 41,661.80/x
  3. Step 3: Cross multiply
    48,573.80x = 72,774.30 × 41,661.80
  4. Step 4: Simplify right side
    48,573.80x = 3,031,908,331.74
  5. Step 5: Solve for x
    x = 3,031,908,331.74/48,573.80
  6. Step 6: Final answer
    x = 62,418.59

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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.