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Finding the Fourth Proportional to 19,832.40, 29,752.04 and 6,684.88

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Solution

The fourth proportional to 19,832.40, 29,752.04 and 6,684.88 is: 10,028.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,832.40 : 29,752.04 = 6,684.88 : x
  2. Step 2: Convert to fraction form
    19,832.40/29,752.04 = 6,684.88/x
  3. Step 3: Cross multiply
    19,832.40x = 29,752.04 × 6,684.88
  4. Step 4: Simplify right side
    19,832.40x = 198,888,817.16
  5. Step 5: Solve for x
    x = 198,888,817.16/19,832.40
  6. Step 6: Final answer
    x = 10,028.48

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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.