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Finding the Fourth Proportional to 62,415.90, 86,123.88 and 35,558.82

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Solution

The fourth proportional to 62,415.90, 86,123.88 and 35,558.82 is: 49,065.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,415.90 : 86,123.88 = 35,558.82 : x
  2. Step 2: Convert to fraction form
    62,415.90/86,123.88 = 35,558.82/x
  3. Step 3: Cross multiply
    62,415.90x = 86,123.88 × 35,558.82
  4. Step 4: Simplify right side
    62,415.90x = 3,062,463,546.62
  5. Step 5: Solve for x
    x = 3,062,463,546.62/62,415.90
  6. Step 6: Final answer
    x = 49,065.44

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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.