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Finding the Fourth Proportional to 67,363.10, 92,961.03 and 38,684.63

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Solution

The fourth proportional to 67,363.10, 92,961.03 and 38,684.63 is: 53,384.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,363.10 : 92,961.03 = 38,684.63 : x
  2. Step 2: Convert to fraction form
    67,363.10/92,961.03 = 38,684.63/x
  3. Step 3: Cross multiply
    67,363.10x = 92,961.03 × 38,684.63
  4. Step 4: Simplify right side
    67,363.10x = 3,596,163,282.37
  5. Step 5: Solve for x
    x = 3,596,163,282.37/67,363.10
  6. Step 6: Final answer
    x = 53,384.77

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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.