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Finding the Fourth Proportional to 6,603.08, 9,112.10 and 3,618.90

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Solution

The fourth proportional to 6,603.08, 9,112.10 and 3,618.90 is: 4,994.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.08 : 9,112.10 = 3,618.90 : x
  2. Step 2: Convert to fraction form
    6,603.08/9,112.10 = 3,618.90/x
  3. Step 3: Cross multiply
    6,603.08x = 9,112.10 × 3,618.90
  4. Step 4: Simplify right side
    6,603.08x = 32,975,778.69
  5. Step 5: Solve for x
    x = 32,975,778.69/6,603.08
  6. Step 6: Final answer
    x = 4,994.00

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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.