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Finding the Fourth Proportional to 8,893.55, 12,266.17 and 6,305.29

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Solution

The fourth proportional to 8,893.55, 12,266.17 and 6,305.29 is: 8,696.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893.55 : 12,266.17 = 6,305.29 : x
  2. Step 2: Convert to fraction form
    8,893.55/12,266.17 = 6,305.29/x
  3. Step 3: Cross multiply
    8,893.55x = 12,266.17 × 6,305.29
  4. Step 4: Simplify right side
    8,893.55x = 77,341,712.61
  5. Step 5: Solve for x
    x = 77,341,712.61/8,893.55
  6. Step 6: Final answer
    x = 8,696.39

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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.