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Finding the Fourth Proportional to 23,616.70, 35,416.69 and 6,972.28

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Solution

The fourth proportional to 23,616.70, 35,416.69 and 6,972.28 is: 10,455.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,616.70 : 35,416.69 = 6,972.28 : x
  2. Step 2: Convert to fraction form
    23,616.70/35,416.69 = 6,972.28/x
  3. Step 3: Cross multiply
    23,616.70x = 35,416.69 × 6,972.28
  4. Step 4: Simplify right side
    23,616.70x = 246,935,079.35
  5. Step 5: Solve for x
    x = 246,935,079.35/23,616.70
  6. Step 6: Final answer
    x = 10,455.95

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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.