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Finding the Fourth Proportional to 16,608.32, 22,918.44 and 9,529.76

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Solution

The fourth proportional to 16,608.32, 22,918.44 and 9,529.76 is: 13,150.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,608.32 : 22,918.44 = 9,529.76 : x
  2. Step 2: Convert to fraction form
    16,608.32/22,918.44 = 9,529.76/x
  3. Step 3: Cross multiply
    16,608.32x = 22,918.44 × 9,529.76
  4. Step 4: Simplify right side
    16,608.32x = 218,407,232.77
  5. Step 5: Solve for x
    x = 218,407,232.77/16,608.32
  6. Step 6: Final answer
    x = 13,150.47

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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.