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Finding the Fourth Proportional to 61,487.70, 92,153.85 and 32,953.75

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Solution

The fourth proportional to 61,487.70, 92,153.85 and 32,953.75 is: 49,388.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,487.70 : 92,153.85 = 32,953.75 : x
  2. Step 2: Convert to fraction form
    61,487.70/92,153.85 = 32,953.75/x
  3. Step 3: Cross multiply
    61,487.70x = 92,153.85 × 32,953.75
  4. Step 4: Simplify right side
    61,487.70x = 3,036,814,723.58
  5. Step 5: Solve for x
    x = 3,036,814,723.58/61,487.70
  6. Step 6: Final answer
    x = 49,388.98

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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.