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Finding the Fourth Proportional to 32,309.64, 48,381.84 and 19,171.44

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Solution

The fourth proportional to 32,309.64, 48,381.84 and 19,171.44 is: 28,708.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,309.64 : 48,381.84 = 19,171.44 : x
  2. Step 2: Convert to fraction form
    32,309.64/48,381.84 = 19,171.44/x
  3. Step 3: Cross multiply
    32,309.64x = 48,381.84 × 19,171.44
  4. Step 4: Simplify right side
    32,309.64x = 927,549,542.65
  5. Step 5: Solve for x
    x = 927,549,542.65/32,309.64
  6. Step 6: Final answer
    x = 28,708.14

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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.