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Finding the Fourth Proportional to 14,518.44, 21,763.29 and 7,008.12

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Solution

The fourth proportional to 14,518.44, 21,763.29 and 7,008.12 is: 10,505.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,518.44 : 21,763.29 = 7,008.12 : x
  2. Step 2: Convert to fraction form
    14,518.44/21,763.29 = 7,008.12/x
  3. Step 3: Cross multiply
    14,518.44x = 21,763.29 × 7,008.12
  4. Step 4: Simplify right side
    14,518.44x = 152,519,747.91
  5. Step 5: Solve for x
    x = 152,519,747.91/14,518.44
  6. Step 6: Final answer
    x = 10,505.24

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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.