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Finding the Fourth Proportional to 15,232.75, 21,024.08 and 8,608.75

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Solution

The fourth proportional to 15,232.75, 21,024.08 and 8,608.75 is: 11,881.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,232.75 : 21,024.08 = 8,608.75 : x
  2. Step 2: Convert to fraction form
    15,232.75/21,024.08 = 8,608.75/x
  3. Step 3: Cross multiply
    15,232.75x = 21,024.08 × 8,608.75
  4. Step 4: Simplify right side
    15,232.75x = 180,991,005.66
  5. Step 5: Solve for x
    x = 180,991,005.66/15,232.75
  6. Step 6: Final answer
    x = 11,881.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.