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Finding the Fourth Proportional to 22,145.44, 33,078.44 and 18,646.24

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Solution

The fourth proportional to 22,145.44, 33,078.44 and 18,646.24 is: 27,851.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,145.44 : 33,078.44 = 18,646.24 : x
  2. Step 2: Convert to fraction form
    22,145.44/33,078.44 = 18,646.24/x
  3. Step 3: Cross multiply
    22,145.44x = 33,078.44 × 18,646.24
  4. Step 4: Simplify right side
    22,145.44x = 616,788,531.07
  5. Step 5: Solve for x
    x = 616,788,531.07/22,145.44
  6. Step 6: Final answer
    x = 27,851.72

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Double scale
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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.