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Finding the Fourth Proportional to 6,213.74, 8,573.97 and 3,560.66

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Solution

The fourth proportional to 6,213.74, 8,573.97 and 3,560.66 is: 4,913.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,213.74 : 8,573.97 = 3,560.66 : x
  2. Step 2: Convert to fraction form
    6,213.74/8,573.97 = 3,560.66/x
  3. Step 3: Cross multiply
    6,213.74x = 8,573.97 × 3,560.66
  4. Step 4: Simplify right side
    6,213.74x = 30,528,931.35
  5. Step 5: Solve for x
    x = 30,528,931.35/6,213.74
  6. Step 6: Final answer
    x = 4,913.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.