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Finding the Fourth Proportional to 23,612.05, 35,393.10 and 7,813

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Solution

The fourth proportional to 23,612.05, 35,393.10 and 7,813 is: 11,711.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,612.05 : 35,393.10 = 7,813 : x
  2. Step 2: Convert to fraction form
    23,612.05/35,393.10 = 7,813/x
  3. Step 3: Cross multiply
    23,612.05x = 35,393.10 × 7,813
  4. Step 4: Simplify right side
    23,612.05x = 276,526,290.30
  5. Step 5: Solve for x
    x = 276,526,290.30/23,612.05
  6. Step 6: Final answer
    x = 11,711.24

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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.