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Finding the Fourth Proportional to 48,354.96, 72,540 and 15,068.32

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Solution

The fourth proportional to 48,354.96, 72,540 and 15,068.32 is: 22,604.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,354.96 : 72,540 = 15,068.32 : x
  2. Step 2: Convert to fraction form
    48,354.96/72,540 = 15,068.32/x
  3. Step 3: Cross multiply
    48,354.96x = 72,540 × 15,068.32
  4. Step 4: Simplify right side
    48,354.96x = 1,093,055,932.80
  5. Step 5: Solve for x
    x = 1,093,055,932.80/48,354.96
  6. Step 6: Final answer
    x = 22,604.84

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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.