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Finding the Fourth Proportional to 3,543.86, 4,869.99 and 3,381.25

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Solution

The fourth proportional to 3,543.86, 4,869.99 and 3,381.25 is: 4,646.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.86 : 4,869.99 = 3,381.25 : x
  2. Step 2: Convert to fraction form
    3,543.86/4,869.99 = 3,381.25/x
  3. Step 3: Cross multiply
    3,543.86x = 4,869.99 × 3,381.25
  4. Step 4: Simplify right side
    3,543.86x = 16,466,653.69
  5. Step 5: Solve for x
    x = 16,466,653.69/3,543.86
  6. Step 6: Final answer
    x = 4,646.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.