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Finding the Fourth Proportional to 9,958.22, 13,748.03 and 6,605.63

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Solution

The fourth proportional to 9,958.22, 13,748.03 and 6,605.63 is: 9,119.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,958.22 : 13,748.03 = 6,605.63 : x
  2. Step 2: Convert to fraction form
    9,958.22/13,748.03 = 6,605.63/x
  3. Step 3: Cross multiply
    9,958.22x = 13,748.03 × 6,605.63
  4. Step 4: Simplify right side
    9,958.22x = 90,814,399.41
  5. Step 5: Solve for x
    x = 90,814,399.41/9,958.22
  6. Step 6: Final answer
    x = 9,119.54

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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.