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Finding the Fourth Proportional to 22,643.60, 33,997.80 and 17,718.80

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Solution

The fourth proportional to 22,643.60, 33,997.80 and 17,718.80 is: 26,603.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,643.60 : 33,997.80 = 17,718.80 : x
  2. Step 2: Convert to fraction form
    22,643.60/33,997.80 = 17,718.80/x
  3. Step 3: Cross multiply
    22,643.60x = 33,997.80 × 17,718.80
  4. Step 4: Simplify right side
    22,643.60x = 602,400,218.64
  5. Step 5: Solve for x
    x = 602,400,218.64/22,643.60
  6. Step 6: Final answer
    x = 26,603.55

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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.