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Finding the Fourth Proportional to 5,603.64, 7,735.68 and 3,244.92

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Solution

The fourth proportional to 5,603.64, 7,735.68 and 3,244.92 is: 4,479.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,603.64 : 7,735.68 = 3,244.92 : x
  2. Step 2: Convert to fraction form
    5,603.64/7,735.68 = 3,244.92/x
  3. Step 3: Cross multiply
    5,603.64x = 7,735.68 × 3,244.92
  4. Step 4: Simplify right side
    5,603.64x = 25,101,662.75
  5. Step 5: Solve for x
    x = 25,101,662.75/5,603.64
  6. Step 6: Final answer
    x = 4,479.53

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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.