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Finding the Fourth Proportional to 10,751.88, 16,110.54 and 8,885.64

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Solution

The fourth proportional to 10,751.88, 16,110.54 and 8,885.64 is: 13,314.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,751.88 : 16,110.54 = 8,885.64 : x
  2. Step 2: Convert to fraction form
    10,751.88/16,110.54 = 8,885.64/x
  3. Step 3: Cross multiply
    10,751.88x = 16,110.54 × 8,885.64
  4. Step 4: Simplify right side
    10,751.88x = 143,152,458.65
  5. Step 5: Solve for x
    x = 143,152,458.65/10,751.88
  6. Step 6: Final answer
    x = 13,314.18

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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.