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Finding the Fourth Proportional to 17,700.76, 26,554.20 and 8,816.68

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Solution

The fourth proportional to 17,700.76, 26,554.20 and 8,816.68 is: 13,226.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,700.76 : 26,554.20 = 8,816.68 : x
  2. Step 2: Convert to fraction form
    17,700.76/26,554.20 = 8,816.68/x
  3. Step 3: Cross multiply
    17,700.76x = 26,554.20 × 8,816.68
  4. Step 4: Simplify right side
    17,700.76x = 234,119,884.06
  5. Step 5: Solve for x
    x = 234,119,884.06/17,700.76
  6. Step 6: Final answer
    x = 13,226.54

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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.