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Finding the Fourth Proportional to 57,247.32, 79,028.82 and 36,038.28

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Solution

The fourth proportional to 57,247.32, 79,028.82 and 36,038.28 is: 49,750.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,247.32 : 79,028.82 = 36,038.28 : x
  2. Step 2: Convert to fraction form
    57,247.32/79,028.82 = 36,038.28/x
  3. Step 3: Cross multiply
    57,247.32x = 79,028.82 × 36,038.28
  4. Step 4: Simplify right side
    57,247.32x = 2,848,062,743.23
  5. Step 5: Solve for x
    x = 2,848,062,743.23/57,247.32
  6. Step 6: Final answer
    x = 49,750.15

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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.