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Finding the Fourth Proportional to 11,470.60, 17,114.09 and 10,223.20

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Solution

The fourth proportional to 11,470.60, 17,114.09 and 10,223.20 is: 15,252.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,470.60 : 17,114.09 = 10,223.20 : x
  2. Step 2: Convert to fraction form
    11,470.60/17,114.09 = 10,223.20/x
  3. Step 3: Cross multiply
    11,470.60x = 17,114.09 × 10,223.20
  4. Step 4: Simplify right side
    11,470.60x = 174,960,764.89
  5. Step 5: Solve for x
    x = 174,960,764.89/11,470.60
  6. Step 6: Final answer
    x = 15,252.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.