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Finding the Fourth Proportional to 6,603.90, 9,906.06 and 2,904.24

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Solution

The fourth proportional to 6,603.90, 9,906.06 and 2,904.24 is: 4,356.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.90 : 9,906.06 = 2,904.24 : x
  2. Step 2: Convert to fraction form
    6,603.90/9,906.06 = 2,904.24/x
  3. Step 3: Cross multiply
    6,603.90x = 9,906.06 × 2,904.24
  4. Step 4: Simplify right side
    6,603.90x = 28,769,575.69
  5. Step 5: Solve for x
    x = 28,769,575.69/6,603.90
  6. Step 6: Final answer
    x = 4,356.45

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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.