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Finding the Fourth Proportional to 61,727.57, 92,051.80 and 54,923.57

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Solution

The fourth proportional to 61,727.57, 92,051.80 and 54,923.57 is: 81,905.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,727.57 : 92,051.80 = 54,923.57 : x
  2. Step 2: Convert to fraction form
    61,727.57/92,051.80 = 54,923.57/x
  3. Step 3: Cross multiply
    61,727.57x = 92,051.80 × 54,923.57
  4. Step 4: Simplify right side
    61,727.57x = 5,055,813,480.93
  5. Step 5: Solve for x
    x = 5,055,813,480.93/61,727.57
  6. Step 6: Final answer
    x = 81,905.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.