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Finding the Fourth Proportional to 61,729.57, 92,054.78 and 54,925.57

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Solution

The fourth proportional to 61,729.57, 92,054.78 and 54,925.57 is: 81,908.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,729.57 : 92,054.78 = 54,925.57 : x
  2. Step 2: Convert to fraction form
    61,729.57/92,054.78 = 54,925.57/x
  3. Step 3: Cross multiply
    61,729.57x = 92,054.78 × 54,925.57
  4. Step 4: Simplify right side
    61,729.57x = 5,056,161,262.72
  5. Step 5: Solve for x
    x = 5,056,161,262.72/61,729.57
  6. Step 6: Final answer
    x = 81,908.25

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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.