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Finding the Fourth Proportional to 19,724.40, 29,593.08 and 9,199.44

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Solution

The fourth proportional to 19,724.40, 29,593.08 and 9,199.44 is: 13,802.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,724.40 : 29,593.08 = 9,199.44 : x
  2. Step 2: Convert to fraction form
    19,724.40/29,593.08 = 9,199.44/x
  3. Step 3: Cross multiply
    19,724.40x = 29,593.08 × 9,199.44
  4. Step 4: Simplify right side
    19,724.40x = 272,239,763.88
  5. Step 5: Solve for x
    x = 272,239,763.88/19,724.40
  6. Step 6: Final answer
    x = 13,802.18

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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.