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Finding the Fourth Proportional to 67,794.99, 93,560.52 and 39,103.98

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Solution

The fourth proportional to 67,794.99, 93,560.52 and 39,103.98 is: 53,965.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,794.99 : 93,560.52 = 39,103.98 : x
  2. Step 2: Convert to fraction form
    67,794.99/93,560.52 = 39,103.98/x
  3. Step 3: Cross multiply
    67,794.99x = 93,560.52 × 39,103.98
  4. Step 4: Simplify right side
    67,794.99x = 3,658,588,702.87
  5. Step 5: Solve for x
    x = 3,658,588,702.87/67,794.99
  6. Step 6: Final answer
    x = 53,965.47

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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.