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Finding the Fourth Proportional to 8,201.55, 12,303.24 and 3,007.44

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Solution

The fourth proportional to 8,201.55, 12,303.24 and 3,007.44 is: 4,511.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201.55 : 12,303.24 = 3,007.44 : x
  2. Step 2: Convert to fraction form
    8,201.55/12,303.24 = 3,007.44/x
  3. Step 3: Cross multiply
    8,201.55x = 12,303.24 × 3,007.44
  4. Step 4: Simplify right side
    8,201.55x = 37,001,256.11
  5. Step 5: Solve for x
    x = 37,001,256.11/8,201.55
  6. Step 6: Final answer
    x = 4,511.50

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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.