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Finding the Fourth Proportional to 67,616.36, 93,307.84 and 36,988.96

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Solution

The fourth proportional to 67,616.36, 93,307.84 and 36,988.96 is: 51,043.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,616.36 : 93,307.84 = 36,988.96 : x
  2. Step 2: Convert to fraction form
    67,616.36/93,307.84 = 36,988.96/x
  3. Step 3: Cross multiply
    67,616.36x = 93,307.84 × 36,988.96
  4. Step 4: Simplify right side
    67,616.36x = 3,451,359,961.45
  5. Step 5: Solve for x
    x = 3,451,359,961.45/67,616.36
  6. Step 6: Final answer
    x = 51,043.27

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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.