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Finding the Fourth Proportional to 8,866.44, 13,224.96 and 8,254.08

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Solution

The fourth proportional to 8,866.44, 13,224.96 and 8,254.08 is: 12,311.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866.44 : 13,224.96 = 8,254.08 : x
  2. Step 2: Convert to fraction form
    8,866.44/13,224.96 = 8,254.08/x
  3. Step 3: Cross multiply
    8,866.44x = 13,224.96 × 8,254.08
  4. Step 4: Simplify right side
    8,866.44x = 109,159,877.84
  5. Step 5: Solve for x
    x = 109,159,877.84/8,866.44
  6. Step 6: Final answer
    x = 12,311.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.