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Finding the Fourth Proportional to 9,494.48, 14,243.08 and 2,921.22

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Solution

The fourth proportional to 9,494.48, 14,243.08 and 2,921.22 is: 4,382.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,494.48 : 14,243.08 = 2,921.22 : x
  2. Step 2: Convert to fraction form
    9,494.48/14,243.08 = 2,921.22/x
  3. Step 3: Cross multiply
    9,494.48x = 14,243.08 × 2,921.22
  4. Step 4: Simplify right side
    9,494.48x = 41,607,170.16
  5. Step 5: Solve for x
    x = 41,607,170.16/9,494.48
  6. Step 6: Final answer
    x = 4,382.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.