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Finding the Fourth Proportional to 8,673.36, 13,009.98 and 4,511.22

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Solution

The fourth proportional to 8,673.36, 13,009.98 and 4,511.22 is: 6,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673.36 : 13,009.98 = 4,511.22 : x
  2. Step 2: Convert to fraction form
    8,673.36/13,009.98 = 4,511.22/x
  3. Step 3: Cross multiply
    8,673.36x = 13,009.98 × 4,511.22
  4. Step 4: Simplify right side
    8,673.36x = 58,690,881.98
  5. Step 5: Solve for x
    x = 58,690,881.98/8,673.36
  6. Step 6: Final answer
    x = 6,766.80

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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.