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Finding the Fourth Proportional to 8,622.61, 12,933.56 and 2,466.61

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Solution

The fourth proportional to 8,622.61, 12,933.56 and 2,466.61 is: 3,699.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,622.61 : 12,933.56 = 2,466.61 : x
  2. Step 2: Convert to fraction form
    8,622.61/12,933.56 = 2,466.61/x
  3. Step 3: Cross multiply
    8,622.61x = 12,933.56 × 2,466.61
  4. Step 4: Simplify right side
    8,622.61x = 31,902,036.10
  5. Step 5: Solve for x
    x = 31,902,036.10/8,622.61
  6. Step 6: Final answer
    x = 3,699.81

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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.