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Finding the Fourth Proportional to 32,009.70, 44,164.53 and 20,679.65

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Solution

The fourth proportional to 32,009.70, 44,164.53 and 20,679.65 is: 28,532.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,009.70 : 44,164.53 = 20,679.65 : x
  2. Step 2: Convert to fraction form
    32,009.70/44,164.53 = 20,679.65/x
  3. Step 3: Cross multiply
    32,009.70x = 44,164.53 × 20,679.65
  4. Step 4: Simplify right side
    32,009.70x = 913,307,022.81
  5. Step 5: Solve for x
    x = 913,307,022.81/32,009.70
  6. Step 6: Final answer
    x = 28,532.20

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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.