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Finding the Fourth Proportional to 17,570.81, 26,354.99 and 7,575.11

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Solution

The fourth proportional to 17,570.81, 26,354.99 and 7,575.11 is: 11,362.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,570.81 : 26,354.99 = 7,575.11 : x
  2. Step 2: Convert to fraction form
    17,570.81/26,354.99 = 7,575.11/x
  3. Step 3: Cross multiply
    17,570.81x = 26,354.99 × 7,575.11
  4. Step 4: Simplify right side
    17,570.81x = 199,641,778.65
  5. Step 5: Solve for x
    x = 199,641,778.65/17,570.81
  6. Step 6: Final answer
    x = 11,362.13

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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.