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Finding the Fourth Proportional to 23,612.85, 35,425.74 and 6,972.88

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Solution

The fourth proportional to 23,612.85, 35,425.74 and 6,972.88 is: 10,461.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,612.85 : 35,425.74 = 6,972.88 : x
  2. Step 2: Convert to fraction form
    23,612.85/35,425.74 = 6,972.88/x
  3. Step 3: Cross multiply
    23,612.85x = 35,425.74 × 6,972.88
  4. Step 4: Simplify right side
    23,612.85x = 247,019,433.93
  5. Step 5: Solve for x
    x = 247,019,433.93/23,612.85
  6. Step 6: Final answer
    x = 10,461.23

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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.