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Finding the Fourth Proportional to 9,090.64, 13,637.22 and 3,248.20

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Solution

The fourth proportional to 9,090.64, 13,637.22 and 3,248.20 is: 4,872.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090.64 : 13,637.22 = 3,248.20 : x
  2. Step 2: Convert to fraction form
    9,090.64/13,637.22 = 3,248.20/x
  3. Step 3: Cross multiply
    9,090.64x = 13,637.22 × 3,248.20
  4. Step 4: Simplify right side
    9,090.64x = 44,296,418.00
  5. Step 5: Solve for x
    x = 44,296,418.00/9,090.64
  6. Step 6: Final answer
    x = 4,872.75

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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.