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Finding the Fourth Proportional to 24,600, 33,949.44 and 13,990.08

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Solution

The fourth proportional to 24,600, 33,949.44 and 13,990.08 is: 19,307.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,600 : 33,949.44 = 13,990.08 : x
  2. Step 2: Convert to fraction form
    24,600/33,949.44 = 13,990.08/x
  3. Step 3: Cross multiply
    24,600x = 33,949.44 × 13,990.08
  4. Step 4: Simplify right side
    24,600x = 474,955,381.56
  5. Step 5: Solve for x
    x = 474,955,381.56/24,600
  6. Step 6: Final answer
    x = 19,307.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.