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Finding the Fourth Proportional to 61,486.60, 84,826.87 and 37,571.76

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Solution

The fourth proportional to 61,486.60, 84,826.87 and 37,571.76 is: 51,833.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,486.60 : 84,826.87 = 37,571.76 : x
  2. Step 2: Convert to fraction form
    61,486.60/84,826.87 = 37,571.76/x
  3. Step 3: Cross multiply
    61,486.60x = 84,826.87 × 37,571.76
  4. Step 4: Simplify right side
    61,486.60x = 3,187,094,801.19
  5. Step 5: Solve for x
    x = 3,187,094,801.19/61,486.60
  6. Step 6: Final answer
    x = 51,833.97

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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.