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Finding the Fourth Proportional to 8,996.72, 12,411.05 and 6,013.31

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Solution

The fourth proportional to 8,996.72, 12,411.05 and 6,013.31 is: 8,295.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,996.72 : 12,411.05 = 6,013.31 : x
  2. Step 2: Convert to fraction form
    8,996.72/12,411.05 = 6,013.31/x
  3. Step 3: Cross multiply
    8,996.72x = 12,411.05 × 6,013.31
  4. Step 4: Simplify right side
    8,996.72x = 74,631,398.95
  5. Step 5: Solve for x
    x = 74,631,398.95/8,996.72
  6. Step 6: Final answer
    x = 8,295.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.