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Finding the Fourth Proportional to 15,960.96, 22,026.48 and 8,888.04

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Solution

The fourth proportional to 15,960.96, 22,026.48 and 8,888.04 is: 12,265.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,960.96 : 22,026.48 = 8,888.04 : x
  2. Step 2: Convert to fraction form
    15,960.96/22,026.48 = 8,888.04/x
  3. Step 3: Cross multiply
    15,960.96x = 22,026.48 × 8,888.04
  4. Step 4: Simplify right side
    15,960.96x = 195,772,235.30
  5. Step 5: Solve for x
    x = 195,772,235.30/15,960.96
  6. Step 6: Final answer
    x = 12,265.69

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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.