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Finding the Fourth Proportional to 32,424.70, 48,642.09 and 13,704.81

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Solution

The fourth proportional to 32,424.70, 48,642.09 and 13,704.81 is: 20,559.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,424.70 : 48,642.09 = 13,704.81 : x
  2. Step 2: Convert to fraction form
    32,424.70/48,642.09 = 13,704.81/x
  3. Step 3: Cross multiply
    32,424.70x = 48,642.09 × 13,704.81
  4. Step 4: Simplify right side
    32,424.70x = 666,630,358.24
  5. Step 5: Solve for x
    x = 666,630,358.24/32,424.70
  6. Step 6: Final answer
    x = 20,559.34

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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.