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Finding the Fourth Proportional to 2,403.61, 3,608.15 and 2,245.05

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Solution

The fourth proportional to 2,403.61, 3,608.15 and 2,245.05 is: 3,370.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.61 : 3,608.15 = 2,245.05 : x
  2. Step 2: Convert to fraction form
    2,403.61/3,608.15 = 2,245.05/x
  3. Step 3: Cross multiply
    2,403.61x = 3,608.15 × 2,245.05
  4. Step 4: Simplify right side
    2,403.61x = 8,100,465.93
  5. Step 5: Solve for x
    x = 8,100,465.93/2,403.61
  6. Step 6: Final answer
    x = 3,370.13

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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.