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Finding the Fourth Proportional to 56,482.62, 84,709.68 and 23,211.87

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Solution

The fourth proportional to 56,482.62, 84,709.68 and 23,211.87 is: 34,811.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,482.62 : 84,709.68 = 23,211.87 : x
  2. Step 2: Convert to fraction form
    56,482.62/84,709.68 = 23,211.87/x
  3. Step 3: Cross multiply
    56,482.62x = 84,709.68 × 23,211.87
  4. Step 4: Simplify right side
    56,482.62x = 1,966,270,079.90
  5. Step 5: Solve for x
    x = 1,966,270,079.90/56,482.62
  6. Step 6: Final answer
    x = 34,811.95

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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.