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Finding the Fourth Proportional to 10,500.64, 15,758.24 and 6,793.64

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Solution

The fourth proportional to 10,500.64, 15,758.24 and 6,793.64 is: 10,195.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,500.64 : 15,758.24 = 6,793.64 : x
  2. Step 2: Convert to fraction form
    10,500.64/15,758.24 = 6,793.64/x
  3. Step 3: Cross multiply
    10,500.64x = 15,758.24 × 6,793.64
  4. Step 4: Simplify right side
    10,500.64x = 107,055,809.59
  5. Step 5: Solve for x
    x = 107,055,809.59/10,500.64
  6. Step 6: Final answer
    x = 10,195.17

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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.