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Finding the Fourth Proportional to 62,935.70, 86,853.38 and 34,256.40

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Solution

The fourth proportional to 62,935.70, 86,853.38 and 34,256.40 is: 47,274.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,935.70 : 86,853.38 = 34,256.40 : x
  2. Step 2: Convert to fraction form
    62,935.70/86,853.38 = 34,256.40/x
  3. Step 3: Cross multiply
    62,935.70x = 86,853.38 × 34,256.40
  4. Step 4: Simplify right side
    62,935.70x = 2,975,283,692.37
  5. Step 5: Solve for x
    x = 2,975,283,692.37/62,935.70
  6. Step 6: Final answer
    x = 47,274.98

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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.