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Finding the Fourth Proportional to 10,794.60, 14,964.48 and 10,203.30

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Solution

The fourth proportional to 10,794.60, 14,964.48 and 10,203.30 is: 14,144.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,794.60 : 14,964.48 = 10,203.30 : x
  2. Step 2: Convert to fraction form
    10,794.60/14,964.48 = 10,203.30/x
  3. Step 3: Cross multiply
    10,794.60x = 14,964.48 × 10,203.30
  4. Step 4: Simplify right side
    10,794.60x = 152,687,078.78
  5. Step 5: Solve for x
    x = 152,687,078.78/10,794.60
  6. Step 6: Final answer
    x = 14,144.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.