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Finding the Fourth Proportional to 39,303.84, 58,958.07 and 11,221.74

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Solution

The fourth proportional to 39,303.84, 58,958.07 and 11,221.74 is: 16,833.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,303.84 : 58,958.07 = 11,221.74 : x
  2. Step 2: Convert to fraction form
    39,303.84/58,958.07 = 11,221.74/x
  3. Step 3: Cross multiply
    39,303.84x = 58,958.07 × 11,221.74
  4. Step 4: Simplify right side
    39,303.84x = 661,612,132.44
  5. Step 5: Solve for x
    x = 661,612,132.44/39,303.84
  6. Step 6: Final answer
    x = 16,833.27

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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.