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Finding the Fourth Proportional to 56,482.56, 84,751.68 and 39,948.84

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Solution

The fourth proportional to 56,482.56, 84,751.68 and 39,948.84 is: 59,942.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,482.56 : 84,751.68 = 39,948.84 : x
  2. Step 2: Convert to fraction form
    56,482.56/84,751.68 = 39,948.84/x
  3. Step 3: Cross multiply
    56,482.56x = 84,751.68 × 39,948.84
  4. Step 4: Simplify right side
    56,482.56x = 3,385,731,304.05
  5. Step 5: Solve for x
    x = 3,385,731,304.05/56,482.56
  6. Step 6: Final answer
    x = 59,942.95

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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.