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Finding the Fourth Proportional to 3,266.89, 4,899.95 and 927.10

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Solution

The fourth proportional to 3,266.89, 4,899.95 and 927.10 is: 1,390.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266.89 : 4,899.95 = 927.10 : x
  2. Step 2: Convert to fraction form
    3,266.89/4,899.95 = 927.10/x
  3. Step 3: Cross multiply
    3,266.89x = 4,899.95 × 927.10
  4. Step 4: Simplify right side
    3,266.89x = 4,542,714.51
  5. Step 5: Solve for x
    x = 4,542,714.51/3,266.89
  6. Step 6: Final answer
    x = 1,390.53

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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.