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Finding the Fourth Proportional to 26,607.30, 39,910.95 and 13,485.30

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Solution

The fourth proportional to 26,607.30, 39,910.95 and 13,485.30 is: 20,227.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,607.30 : 39,910.95 = 13,485.30 : x
  2. Step 2: Convert to fraction form
    26,607.30/39,910.95 = 13,485.30/x
  3. Step 3: Cross multiply
    26,607.30x = 39,910.95 × 13,485.30
  4. Step 4: Simplify right side
    26,607.30x = 538,211,134.04
  5. Step 5: Solve for x
    x = 538,211,134.04/26,607.30
  6. Step 6: Final answer
    x = 20,227.95

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Similar ratio
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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.