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Finding the Fourth Proportional to 36,921.44, 55,375.22 and 9,904.16

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Solution

The fourth proportional to 36,921.44, 55,375.22 and 9,904.16 is: 14,854.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,921.44 : 55,375.22 = 9,904.16 : x
  2. Step 2: Convert to fraction form
    36,921.44/55,375.22 = 9,904.16/x
  3. Step 3: Cross multiply
    36,921.44x = 55,375.22 × 9,904.16
  4. Step 4: Simplify right side
    36,921.44x = 548,445,038.92
  5. Step 5: Solve for x
    x = 548,445,038.92/36,921.44
  6. Step 6: Final answer
    x = 14,854.38

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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.