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Finding the Fourth Proportional to 16,726.30, 25,101.60 and 13,478.60

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Solution

The fourth proportional to 16,726.30, 25,101.60 and 13,478.60 is: 20,227.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,726.30 : 25,101.60 = 13,478.60 : x
  2. Step 2: Convert to fraction form
    16,726.30/25,101.60 = 13,478.60/x
  3. Step 3: Cross multiply
    16,726.30x = 25,101.60 × 13,478.60
  4. Step 4: Simplify right side
    16,726.30x = 338,334,437.97
  5. Step 5: Solve for x
    x = 338,334,437.97/16,726.30
  6. Step 6: Final answer
    x = 20,227.69

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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.