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Finding the Fourth Proportional to 8,649.37, 11,937.03 and 5,294.41

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Solution

The fourth proportional to 8,649.37, 11,937.03 and 5,294.41 is: 7,306.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,649.37 : 11,937.03 = 5,294.41 : x
  2. Step 2: Convert to fraction form
    8,649.37/11,937.03 = 5,294.41/x
  3. Step 3: Cross multiply
    8,649.37x = 11,937.03 × 5,294.41
  4. Step 4: Simplify right side
    8,649.37x = 63,199,531.00
  5. Step 5: Solve for x
    x = 63,199,531.00/8,649.37
  6. Step 6: Final answer
    x = 7,306.84

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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.