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Finding the Fourth Proportional to 60,886.68, 84,019.50 and 34,027.80

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Solution

The fourth proportional to 60,886.68, 84,019.50 and 34,027.80 is: 46,956.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,886.68 : 84,019.50 = 34,027.80 : x
  2. Step 2: Convert to fraction form
    60,886.68/84,019.50 = 34,027.80/x
  3. Step 3: Cross multiply
    60,886.68x = 84,019.50 × 34,027.80
  4. Step 4: Simplify right side
    60,886.68x = 2,858,998,742.10
  5. Step 5: Solve for x
    x = 2,858,998,742.10/60,886.68
  6. Step 6: Final answer
    x = 46,956.06

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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.