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Finding the Fourth Proportional to 9,190.56, 13,785.84 and 3,345.84

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Solution

The fourth proportional to 9,190.56, 13,785.84 and 3,345.84 is: 5,018.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190.56 : 13,785.84 = 3,345.84 : x
  2. Step 2: Convert to fraction form
    9,190.56/13,785.84 = 3,345.84/x
  3. Step 3: Cross multiply
    9,190.56x = 13,785.84 × 3,345.84
  4. Step 4: Simplify right side
    9,190.56x = 46,125,214.91
  5. Step 5: Solve for x
    x = 46,125,214.91/9,190.56
  6. Step 6: Final answer
    x = 5,018.76

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Similar ratio
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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.