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Finding the Fourth Proportional to 55,610.70, 76,652.98 and 43,489.71

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Solution

The fourth proportional to 55,610.70, 76,652.98 and 43,489.71 is: 59,945.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,610.70 : 76,652.98 = 43,489.71 : x
  2. Step 2: Convert to fraction form
    55,610.70/76,652.98 = 43,489.71/x
  3. Step 3: Cross multiply
    55,610.70x = 76,652.98 × 43,489.71
  4. Step 4: Simplify right side
    55,610.70x = 3,333,616,006.74
  5. Step 5: Solve for x
    x = 3,333,616,006.74/55,610.70
  6. Step 6: Final answer
    x = 59,945.58

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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.