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Finding the Fourth Proportional to 67,984.80, 101,890.80 and 32,848.80

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Solution

The fourth proportional to 67,984.80, 101,890.80 and 32,848.80 is: 49,231.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,984.80 : 101,890.80 = 32,848.80 : x
  2. Step 2: Convert to fraction form
    67,984.80/101,890.80 = 32,848.80/x
  3. Step 3: Cross multiply
    67,984.80x = 101,890.80 × 32,848.80
  4. Step 4: Simplify right side
    67,984.80x = 3,346,990,511.04
  5. Step 5: Solve for x
    x = 3,346,990,511.04/67,984.80
  6. Step 6: Final answer
    x = 49,231.45

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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.