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Finding the Fourth Proportional to 10,751.12, 14,844.84 and 8,665.04

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Solution

The fourth proportional to 10,751.12, 14,844.84 and 8,665.04 is: 11,964.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,751.12 : 14,844.84 = 8,665.04 : x
  2. Step 2: Convert to fraction form
    10,751.12/14,844.84 = 8,665.04/x
  3. Step 3: Cross multiply
    10,751.12x = 14,844.84 × 8,665.04
  4. Step 4: Simplify right side
    10,751.12x = 128,631,132.39
  5. Step 5: Solve for x
    x = 128,631,132.39/10,751.12
  6. Step 6: Final answer
    x = 11,964.44

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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.