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Finding the Fourth Proportional to 62,190.56, 85,820.80 and 33,895.68

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Solution

The fourth proportional to 62,190.56, 85,820.80 and 33,895.68 is: 46,774.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,190.56 : 85,820.80 = 33,895.68 : x
  2. Step 2: Convert to fraction form
    62,190.56/85,820.80 = 33,895.68/x
  3. Step 3: Cross multiply
    62,190.56x = 85,820.80 × 33,895.68
  4. Step 4: Simplify right side
    62,190.56x = 2,908,954,374.14
  5. Step 5: Solve for x
    x = 2,908,954,374.14/62,190.56
  6. Step 6: Final answer
    x = 46,774.85

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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.