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Finding the Fourth Proportional to 3,655.42, 5,484.50 and 2,195.62

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Solution

The fourth proportional to 3,655.42, 5,484.50 and 2,195.62 is: 3,294.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.42 : 5,484.50 = 2,195.62 : x
  2. Step 2: Convert to fraction form
    3,655.42/5,484.50 = 2,195.62/x
  3. Step 3: Cross multiply
    3,655.42x = 5,484.50 × 2,195.62
  4. Step 4: Simplify right side
    3,655.42x = 12,041,877.89
  5. Step 5: Solve for x
    x = 12,041,877.89/3,655.42
  6. Step 6: Final answer
    x = 3,294.25

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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.