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Finding the Fourth Proportional to 61,236.79, 84,500.24 and 34,382.25

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Solution

The fourth proportional to 61,236.79, 84,500.24 and 34,382.25 is: 47,443.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,236.79 : 84,500.24 = 34,382.25 : x
  2. Step 2: Convert to fraction form
    61,236.79/84,500.24 = 34,382.25/x
  3. Step 3: Cross multiply
    61,236.79x = 84,500.24 × 34,382.25
  4. Step 4: Simplify right side
    61,236.79x = 2,905,308,204.83
  5. Step 5: Solve for x
    x = 2,905,308,204.83/61,236.79
  6. Step 6: Final answer
    x = 47,443.84

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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.