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Finding the Fourth Proportional to 23,691, 35,555.76 and 12,007.56

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Solution

The fourth proportional to 23,691, 35,555.76 and 12,007.56 is: 18,021.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,691 : 35,555.76 = 12,007.56 : x
  2. Step 2: Convert to fraction form
    23,691/35,555.76 = 12,007.56/x
  3. Step 3: Cross multiply
    23,691x = 35,555.76 × 12,007.56
  4. Step 4: Simplify right side
    23,691x = 426,937,921.55
  5. Step 5: Solve for x
    x = 426,937,921.55/23,691
  6. Step 6: Final answer
    x = 18,021.10

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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.