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Finding the Fourth Proportional to 57,939.04, 86,908.56 and 26,770.24

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Solution

The fourth proportional to 57,939.04, 86,908.56 and 26,770.24 is: 40,155.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,939.04 : 86,908.56 = 26,770.24 : x
  2. Step 2: Convert to fraction form
    57,939.04/86,908.56 = 26,770.24/x
  3. Step 3: Cross multiply
    57,939.04x = 86,908.56 × 26,770.24
  4. Step 4: Simplify right side
    57,939.04x = 2,326,563,009.25
  5. Step 5: Solve for x
    x = 2,326,563,009.25/57,939.04
  6. Step 6: Final answer
    x = 40,155.36

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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.