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Finding the Fourth Proportional to 22,668.60, 34,008.30 and 10,972.20

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Solution

The fourth proportional to 22,668.60, 34,008.30 and 10,972.20 is: 16,460.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,668.60 : 34,008.30 = 10,972.20 : x
  2. Step 2: Convert to fraction form
    22,668.60/34,008.30 = 10,972.20/x
  3. Step 3: Cross multiply
    22,668.60x = 34,008.30 × 10,972.20
  4. Step 4: Simplify right side
    22,668.60x = 373,145,869.26
  5. Step 5: Solve for x
    x = 373,145,869.26/22,668.60
  6. Step 6: Final answer
    x = 16,460.91

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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.