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Finding the Fourth Proportional to 19,443.84, 29,014.02 and 17,349.42

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Solution

The fourth proportional to 19,443.84, 29,014.02 and 17,349.42 is: 25,888.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,443.84 : 29,014.02 = 17,349.42 : x
  2. Step 2: Convert to fraction form
    19,443.84/29,014.02 = 17,349.42/x
  3. Step 3: Cross multiply
    19,443.84x = 29,014.02 × 17,349.42
  4. Step 4: Simplify right side
    19,443.84x = 503,376,418.87
  5. Step 5: Solve for x
    x = 503,376,418.87/19,443.84
  6. Step 6: Final answer
    x = 25,888.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.