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Finding the Fourth Proportional to 55,801.66, 77,010.60 and 31,935.82

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Solution

The fourth proportional to 55,801.66, 77,010.60 and 31,935.82 is: 44,073.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,801.66 : 77,010.60 = 31,935.82 : x
  2. Step 2: Convert to fraction form
    55,801.66/77,010.60 = 31,935.82/x
  3. Step 3: Cross multiply
    55,801.66x = 77,010.60 × 31,935.82
  4. Step 4: Simplify right side
    55,801.66x = 2,459,396,659.69
  5. Step 5: Solve for x
    x = 2,459,396,659.69/55,801.66
  6. Step 6: Final answer
    x = 44,073.90

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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.