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Finding the Fourth Proportional to 17,643.84, 26,592.58 and 15,208.07

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Solution

The fourth proportional to 17,643.84, 26,592.58 and 15,208.07 is: 22,921.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,643.84 : 26,592.58 = 15,208.07 : x
  2. Step 2: Convert to fraction form
    17,643.84/26,592.58 = 15,208.07/x
  3. Step 3: Cross multiply
    17,643.84x = 26,592.58 × 15,208.07
  4. Step 4: Simplify right side
    17,643.84x = 404,421,704.17
  5. Step 5: Solve for x
    x = 404,421,704.17/17,643.84
  6. Step 6: Final answer
    x = 22,921.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.