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Finding the Fourth Proportional to 61,658.64, 92,432.43 and 22,188

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Solution

The fourth proportional to 61,658.64, 92,432.43 and 22,188 is: 33,262.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,658.64 : 92,432.43 = 22,188 : x
  2. Step 2: Convert to fraction form
    61,658.64/92,432.43 = 22,188/x
  3. Step 3: Cross multiply
    61,658.64x = 92,432.43 × 22,188
  4. Step 4: Simplify right side
    61,658.64x = 2,050,890,756.84
  5. Step 5: Solve for x
    x = 2,050,890,756.84/61,658.64
  6. Step 6: Final answer
    x = 33,262.02

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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.