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Finding the Fourth Proportional to 6,372.50, 8,793.76 and 3,540.07

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Solution

The fourth proportional to 6,372.50, 8,793.76 and 3,540.07 is: 4,885.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,372.50 : 8,793.76 = 3,540.07 : x
  2. Step 2: Convert to fraction form
    6,372.50/8,793.76 = 3,540.07/x
  3. Step 3: Cross multiply
    6,372.50x = 8,793.76 × 3,540.07
  4. Step 4: Simplify right side
    6,372.50x = 31,130,495.13
  5. Step 5: Solve for x
    x = 31,130,495.13/6,372.50
  6. Step 6: Final answer
    x = 4,885.13

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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.