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Finding the Fourth Proportional to 32,043.78, 44,220.17 and 18,622.89

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Solution

The fourth proportional to 32,043.78, 44,220.17 and 18,622.89 is: 25,699.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,043.78 : 44,220.17 = 18,622.89 : x
  2. Step 2: Convert to fraction form
    32,043.78/44,220.17 = 18,622.89/x
  3. Step 3: Cross multiply
    32,043.78x = 44,220.17 × 18,622.89
  4. Step 4: Simplify right side
    32,043.78x = 823,507,268.58
  5. Step 5: Solve for x
    x = 823,507,268.58/32,043.78
  6. Step 6: Final answer
    x = 25,699.44

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Double scale
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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.