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Finding the Fourth Proportional to 55,451.84, 76,501.84 and 34,194.20

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Solution

The fourth proportional to 55,451.84, 76,501.84 and 34,194.20 is: 47,174.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,451.84 : 76,501.84 = 34,194.20 : x
  2. Step 2: Convert to fraction form
    55,451.84/76,501.84 = 34,194.20/x
  3. Step 3: Cross multiply
    55,451.84x = 76,501.84 × 34,194.20
  4. Step 4: Simplify right side
    55,451.84x = 2,615,919,217.33
  5. Step 5: Solve for x
    x = 2,615,919,217.33/55,451.84
  6. Step 6: Final answer
    x = 47,174.62

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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.