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Finding the Fourth Proportional to 55,805.54, 77,003.49 and 31,927.70

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Solution

The fourth proportional to 55,805.54, 77,003.49 and 31,927.70 is: 44,055.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,805.54 : 77,003.49 = 31,927.70 : x
  2. Step 2: Convert to fraction form
    55,805.54/77,003.49 = 31,927.70/x
  3. Step 3: Cross multiply
    55,805.54x = 77,003.49 × 31,927.70
  4. Step 4: Simplify right side
    55,805.54x = 2,458,544,327.67
  5. Step 5: Solve for x
    x = 2,458,544,327.67/55,805.54
  6. Step 6: Final answer
    x = 44,055.56

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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.