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Finding the Fourth Proportional to 34,587.81, 51,889.02 and 11,212.44

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Solution

The fourth proportional to 34,587.81, 51,889.02 and 11,212.44 is: 16,821.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,587.81 : 51,889.02 = 11,212.44 : x
  2. Step 2: Convert to fraction form
    34,587.81/51,889.02 = 11,212.44/x
  3. Step 3: Cross multiply
    34,587.81x = 51,889.02 × 11,212.44
  4. Step 4: Simplify right side
    34,587.81x = 581,802,523.41
  5. Step 5: Solve for x
    x = 581,802,523.41/34,587.81
  6. Step 6: Final answer
    x = 16,821.03

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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.