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Finding the Fourth Proportional to 28,064.52, 42,096.33 and 8,074.44

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Solution

The fourth proportional to 28,064.52, 42,096.33 and 8,074.44 is: 12,111.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,064.52 : 42,096.33 = 8,074.44 : x
  2. Step 2: Convert to fraction form
    28,064.52/42,096.33 = 8,074.44/x
  3. Step 3: Cross multiply
    28,064.52x = 42,096.33 × 8,074.44
  4. Step 4: Simplify right side
    28,064.52x = 339,904,290.81
  5. Step 5: Solve for x
    x = 339,904,290.81/28,064.52
  6. Step 6: Final answer
    x = 12,111.53

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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.