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Finding the Fourth Proportional to 48,277.84, 72,371.88 and 18,714.96

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Solution

The fourth proportional to 48,277.84, 72,371.88 and 18,714.96 is: 28,055.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,277.84 : 72,371.88 = 18,714.96 : x
  2. Step 2: Convert to fraction form
    48,277.84/72,371.88 = 18,714.96/x
  3. Step 3: Cross multiply
    48,277.84x = 72,371.88 × 18,714.96
  4. Step 4: Simplify right side
    48,277.84x = 1,354,436,839.32
  5. Step 5: Solve for x
    x = 1,354,436,839.32/48,277.84
  6. Step 6: Final answer
    x = 28,055.04

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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.