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Finding the Fourth Proportional to 48,552.30, 72,828.45 and 28,853.10

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Solution

The fourth proportional to 48,552.30, 72,828.45 and 28,853.10 is: 43,279.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,552.30 : 72,828.45 = 28,853.10 : x
  2. Step 2: Convert to fraction form
    48,552.30/72,828.45 = 28,853.10/x
  3. Step 3: Cross multiply
    48,552.30x = 72,828.45 × 28,853.10
  4. Step 4: Simplify right side
    48,552.30x = 2,101,326,550.70
  5. Step 5: Solve for x
    x = 2,101,326,550.70/48,552.30
  6. Step 6: Final answer
    x = 43,279.65

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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.