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Finding the Fourth Proportional to 60,658.62, 83,664.36 and 39,137.44

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Solution

The fourth proportional to 60,658.62, 83,664.36 and 39,137.44 is: 53,980.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,658.62 : 83,664.36 = 39,137.44 : x
  2. Step 2: Convert to fraction form
    60,658.62/83,664.36 = 39,137.44/x
  3. Step 3: Cross multiply
    60,658.62x = 83,664.36 × 39,137.44
  4. Step 4: Simplify right side
    60,658.62x = 3,274,408,869.64
  5. Step 5: Solve for x
    x = 3,274,408,869.64/60,658.62
  6. Step 6: Final answer
    x = 53,980.93

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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.