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Finding the Fourth Proportional to 55,571.58, 76,724.55 and 49,592.98

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Solution

The fourth proportional to 55,571.58, 76,724.55 and 49,592.98 is: 68,470.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,571.58 : 76,724.55 = 49,592.98 : x
  2. Step 2: Convert to fraction form
    55,571.58/76,724.55 = 49,592.98/x
  3. Step 3: Cross multiply
    55,571.58x = 76,724.55 × 49,592.98
  4. Step 4: Simplify right side
    55,571.58x = 3,804,999,073.66
  5. Step 5: Solve for x
    x = 3,804,999,073.66/55,571.58
  6. Step 6: Final answer
    x = 68,470.23

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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.