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Finding the Fourth Proportional to 17,187.06, 25,780.11 and 5,500.11

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Solution

The fourth proportional to 17,187.06, 25,780.11 and 5,500.11 is: 8,250.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,187.06 : 25,780.11 = 5,500.11 : x
  2. Step 2: Convert to fraction form
    17,187.06/25,780.11 = 5,500.11/x
  3. Step 3: Cross multiply
    17,187.06x = 25,780.11 × 5,500.11
  4. Step 4: Simplify right side
    17,187.06x = 141,793,440.81
  5. Step 5: Solve for x
    x = 141,793,440.81/17,187.06
  6. Step 6: Final answer
    x = 8,250.01

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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.