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Finding the Fourth Proportional to 7,404.09, 10,216.67 and 4,755.09

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Solution

The fourth proportional to 7,404.09, 10,216.67 and 4,755.09 is: 6,561.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,404.09 : 10,216.67 = 4,755.09 : x
  2. Step 2: Convert to fraction form
    7,404.09/10,216.67 = 4,755.09/x
  3. Step 3: Cross multiply
    7,404.09x = 10,216.67 × 4,755.09
  4. Step 4: Simplify right side
    7,404.09x = 48,581,161.57
  5. Step 5: Solve for x
    x = 48,581,161.57/7,404.09
  6. Step 6: Final answer
    x = 6,561.40

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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.