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Finding the Fourth Proportional to 8,341.74, 12,525.08 and 5,241.38

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Solution

The fourth proportional to 8,341.74, 12,525.08 and 5,241.38 is: 7,869.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,341.74 : 12,525.08 = 5,241.38 : x
  2. Step 2: Convert to fraction form
    8,341.74/12,525.08 = 5,241.38/x
  3. Step 3: Cross multiply
    8,341.74x = 12,525.08 × 5,241.38
  4. Step 4: Simplify right side
    8,341.74x = 65,648,614.98
  5. Step 5: Solve for x
    x = 65,648,614.98/8,341.74
  6. Step 6: Final answer
    x = 7,869.89

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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.