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Finding the Fourth Proportional to 5,334.86, 7,360.31 and 3,447.72

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Solution

The fourth proportional to 5,334.86, 7,360.31 and 3,447.72 is: 4,756.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,334.86 : 7,360.31 = 3,447.72 : x
  2. Step 2: Convert to fraction form
    5,334.86/7,360.31 = 3,447.72/x
  3. Step 3: Cross multiply
    5,334.86x = 7,360.31 × 3,447.72
  4. Step 4: Simplify right side
    5,334.86x = 25,376,287.99
  5. Step 5: Solve for x
    x = 25,376,287.99/5,334.86
  6. Step 6: Final answer
    x = 4,756.69

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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.