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Finding the Fourth Proportional to 17,570.12, 26,358.06 and 7,179.08

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Solution

The fourth proportional to 17,570.12, 26,358.06 and 7,179.08 is: 10,769.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,570.12 : 26,358.06 = 7,179.08 : x
  2. Step 2: Convert to fraction form
    17,570.12/26,358.06 = 7,179.08/x
  3. Step 3: Cross multiply
    17,570.12x = 26,358.06 × 7,179.08
  4. Step 4: Simplify right side
    17,570.12x = 189,226,621.38
  5. Step 5: Solve for x
    x = 189,226,621.38/17,570.12
  6. Step 6: Final answer
    x = 10,769.80

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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.