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Finding the Fourth Proportional to 68,005.16, 101,965.98 and 23,612.84

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Solution

The fourth proportional to 68,005.16, 101,965.98 and 23,612.84 is: 35,404.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,005.16 : 101,965.98 = 23,612.84 : x
  2. Step 2: Convert to fraction form
    68,005.16/101,965.98 = 23,612.84/x
  3. Step 3: Cross multiply
    68,005.16x = 101,965.98 × 23,612.84
  4. Step 4: Simplify right side
    68,005.16x = 2,407,706,371.18
  5. Step 5: Solve for x
    x = 2,407,706,371.18/68,005.16
  6. Step 6: Final answer
    x = 35,404.76

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1.5x scale

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.