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Finding the Fourth Proportional to 67,103.52, 92,603.16 and 36,890.79

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Solution

The fourth proportional to 67,103.52, 92,603.16 and 36,890.79 is: 50,909.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,103.52 : 92,603.16 = 36,890.79 : x
  2. Step 2: Convert to fraction form
    67,103.52/92,603.16 = 36,890.79/x
  3. Step 3: Cross multiply
    67,103.52x = 92,603.16 × 36,890.79
  4. Step 4: Simplify right side
    67,103.52x = 3,416,203,728.90
  5. Step 5: Solve for x
    x = 3,416,203,728.90/67,103.52
  6. Step 6: Final answer
    x = 50,909.46

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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.