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Finding the Fourth Proportional to 45,758.67, 68,610.88 and 14,159.38

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Solution

The fourth proportional to 45,758.67, 68,610.88 and 14,159.38 is: 21,230.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,758.67 : 68,610.88 = 14,159.38 : x
  2. Step 2: Convert to fraction form
    45,758.67/68,610.88 = 14,159.38/x
  3. Step 3: Cross multiply
    45,758.67x = 68,610.88 × 14,159.38
  4. Step 4: Simplify right side
    45,758.67x = 971,487,522.05
  5. Step 5: Solve for x
    x = 971,487,522.05/45,758.67
  6. Step 6: Final answer
    x = 21,230.68

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1.5x scale

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.