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Finding the Fourth Proportional to 45,647.46, 68,482.08 and 14,482.71

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Solution

The fourth proportional to 45,647.46, 68,482.08 and 14,482.71 is: 21,727.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,647.46 : 68,482.08 = 14,482.71 : x
  2. Step 2: Convert to fraction form
    45,647.46/68,482.08 = 14,482.71/x
  3. Step 3: Cross multiply
    45,647.46x = 68,482.08 × 14,482.71
  4. Step 4: Simplify right side
    45,647.46x = 991,806,104.84
  5. Step 5: Solve for x
    x = 991,806,104.84/45,647.46
  6. Step 6: Final answer
    x = 21,727.52

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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.