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Finding the Fourth Proportional to 17,773.65, 26,642.79 and 8,397.05

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Solution

The fourth proportional to 17,773.65, 26,642.79 and 8,397.05 is: 12,587.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,773.65 : 26,642.79 = 8,397.05 : x
  2. Step 2: Convert to fraction form
    17,773.65/26,642.79 = 8,397.05/x
  3. Step 3: Cross multiply
    17,773.65x = 26,642.79 × 8,397.05
  4. Step 4: Simplify right side
    17,773.65x = 223,720,933.40
  5. Step 5: Solve for x
    x = 223,720,933.40/17,773.65
  6. Step 6: Final answer
    x = 12,587.23

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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.