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Finding the Fourth Proportional to 8,889.02, 12,266.52 and 4,910.30

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Solution

The fourth proportional to 8,889.02, 12,266.52 and 4,910.30 is: 6,776.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.02 : 12,266.52 = 4,910.30 : x
  2. Step 2: Convert to fraction form
    8,889.02/12,266.52 = 4,910.30/x
  3. Step 3: Cross multiply
    8,889.02x = 12,266.52 × 4,910.30
  4. Step 4: Simplify right side
    8,889.02x = 60,232,293.16
  5. Step 5: Solve for x
    x = 60,232,293.16/8,889.02
  6. Step 6: Final answer
    x = 6,776.03

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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.