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Finding the Fourth Proportional to 9,343.72, 14,015.58 and 8,773.48

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Solution

The fourth proportional to 9,343.72, 14,015.58 and 8,773.48 is: 13,160.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,343.72 : 14,015.58 = 8,773.48 : x
  2. Step 2: Convert to fraction form
    9,343.72/14,015.58 = 8,773.48/x
  3. Step 3: Cross multiply
    9,343.72x = 14,015.58 × 8,773.48
  4. Step 4: Simplify right side
    9,343.72x = 122,965,410.82
  5. Step 5: Solve for x
    x = 122,965,410.82/9,343.72
  6. Step 6: Final answer
    x = 13,160.22

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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.