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Finding the Fourth Proportional to 8,493.42, 12,741.95 and 3,560.23

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Solution

The fourth proportional to 8,493.42, 12,741.95 and 3,560.23 is: 5,341.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,493.42 : 12,741.95 = 3,560.23 : x
  2. Step 2: Convert to fraction form
    8,493.42/12,741.95 = 3,560.23/x
  3. Step 3: Cross multiply
    8,493.42x = 12,741.95 × 3,560.23
  4. Step 4: Simplify right side
    8,493.42x = 45,364,249.69
  5. Step 5: Solve for x
    x = 45,364,249.69/8,493.42
  6. Step 6: Final answer
    x = 5,341.11

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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.