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Finding the Fourth Proportional to 15,961.68, 22,024.04 and 8,888.09

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Solution

The fourth proportional to 15,961.68, 22,024.04 and 8,888.09 is: 12,263.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,961.68 : 22,024.04 = 8,888.09 : x
  2. Step 2: Convert to fraction form
    15,961.68/22,024.04 = 8,888.09/x
  3. Step 3: Cross multiply
    15,961.68x = 22,024.04 × 8,888.09
  4. Step 4: Simplify right side
    15,961.68x = 195,751,495.12
  5. Step 5: Solve for x
    x = 195,751,495.12/15,961.68
  6. Step 6: Final answer
    x = 12,263.84

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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.