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Finding the Fourth Proportional to 34,848, 48,087 and 20,704.32

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Solution

The fourth proportional to 34,848, 48,087 and 20,704.32 is: 28,570.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,848 : 48,087 = 20,704.32 : x
  2. Step 2: Convert to fraction form
    34,848/48,087 = 20,704.32/x
  3. Step 3: Cross multiply
    34,848x = 48,087 × 20,704.32
  4. Step 4: Simplify right side
    34,848x = 995,608,635.84
  5. Step 5: Solve for x
    x = 995,608,635.84/34,848
  6. Step 6: Final answer
    x = 28,570.04

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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.