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Finding the Fourth Proportional to 57,335.78, 86,009.10 and 22,278.14

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Solution

The fourth proportional to 57,335.78, 86,009.10 and 22,278.14 is: 33,419.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,335.78 : 86,009.10 = 22,278.14 : x
  2. Step 2: Convert to fraction form
    57,335.78/86,009.10 = 22,278.14/x
  3. Step 3: Cross multiply
    57,335.78x = 86,009.10 × 22,278.14
  4. Step 4: Simplify right side
    57,335.78x = 1,916,122,771.07
  5. Step 5: Solve for x
    x = 1,916,122,771.07/57,335.78
  6. Step 6: Final answer
    x = 33,419.32

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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.