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Finding the Fourth Proportional to 7,673.86, 10,589.97 and 4,531.60

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Solution

The fourth proportional to 7,673.86, 10,589.97 and 4,531.60 is: 6,253.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,673.86 : 10,589.97 = 4,531.60 : x
  2. Step 2: Convert to fraction form
    7,673.86/10,589.97 = 4,531.60/x
  3. Step 3: Cross multiply
    7,673.86x = 10,589.97 × 4,531.60
  4. Step 4: Simplify right side
    7,673.86x = 47,989,508.05
  5. Step 5: Solve for x
    x = 47,989,508.05/7,673.86
  6. Step 6: Final answer
    x = 6,253.63

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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.