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Finding the Fourth Proportional to 14,458.52, 21,687.78 and 4,070.24

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Solution

The fourth proportional to 14,458.52, 21,687.78 and 4,070.24 is: 6,105.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,458.52 : 21,687.78 = 4,070.24 : x
  2. Step 2: Convert to fraction form
    14,458.52/21,687.78 = 4,070.24/x
  3. Step 3: Cross multiply
    14,458.52x = 21,687.78 × 4,070.24
  4. Step 4: Simplify right side
    14,458.52x = 88,274,469.67
  5. Step 5: Solve for x
    x = 88,274,469.67/14,458.52
  6. Step 6: Final answer
    x = 6,105.36

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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.