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Finding the Fourth Proportional to 15,859.72, 23,751.68 and 8,822.26

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Solution

The fourth proportional to 15,859.72, 23,751.68 and 8,822.26 is: 13,212.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,859.72 : 23,751.68 = 8,822.26 : x
  2. Step 2: Convert to fraction form
    15,859.72/23,751.68 = 8,822.26/x
  3. Step 3: Cross multiply
    15,859.72x = 23,751.68 × 8,822.26
  4. Step 4: Simplify right side
    15,859.72x = 209,543,496.40
  5. Step 5: Solve for x
    x = 209,543,496.40/15,859.72
  6. Step 6: Final answer
    x = 13,212.31

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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.