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Finding the Fourth Proportional to 52,869.40, 72,921.52 and 44,899

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Solution

The fourth proportional to 52,869.40, 72,921.52 and 44,899 is: 61,928.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,869.40 : 72,921.52 = 44,899 : x
  2. Step 2: Convert to fraction form
    52,869.40/72,921.52 = 44,899/x
  3. Step 3: Cross multiply
    52,869.40x = 72,921.52 × 44,899
  4. Step 4: Simplify right side
    52,869.40x = 3,274,103,326.48
  5. Step 5: Solve for x
    x = 3,274,103,326.48/52,869.40
  6. Step 6: Final answer
    x = 61,928.13

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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.