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Finding the Fourth Proportional to 13,232.28, 18,260.46 and 7,927.32

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Solution

The fourth proportional to 13,232.28, 18,260.46 and 7,927.32 is: 10,939.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,232.28 : 18,260.46 = 7,927.32 : x
  2. Step 2: Convert to fraction form
    13,232.28/18,260.46 = 7,927.32/x
  3. Step 3: Cross multiply
    13,232.28x = 18,260.46 × 7,927.32
  4. Step 4: Simplify right side
    13,232.28x = 144,756,509.77
  5. Step 5: Solve for x
    x = 144,756,509.77/13,232.28
  6. Step 6: Final answer
    x = 10,939.65

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Similar ratio
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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.