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Finding the Fourth Proportional to 2,202.64, 3,301.08 and 903.76

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Solution

The fourth proportional to 2,202.64, 3,301.08 and 903.76 is: 1,354.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.64 : 3,301.08 = 903.76 : x
  2. Step 2: Convert to fraction form
    2,202.64/3,301.08 = 903.76/x
  3. Step 3: Cross multiply
    2,202.64x = 3,301.08 × 903.76
  4. Step 4: Simplify right side
    2,202.64x = 2,983,384.06
  5. Step 5: Solve for x
    x = 2,983,384.06/2,202.64
  6. Step 6: Final answer
    x = 1,354.46

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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.