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Finding the Fourth Proportional to 52,865.40, 72,916.02 and 44,895

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Solution

The fourth proportional to 52,865.40, 72,916.02 and 44,895 is: 61,922.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,865.40 : 72,916.02 = 44,895 : x
  2. Step 2: Convert to fraction form
    52,865.40/72,916.02 = 44,895/x
  3. Step 3: Cross multiply
    52,865.40x = 72,916.02 × 44,895
  4. Step 4: Simplify right side
    52,865.40x = 3,273,564,717.90
  5. Step 5: Solve for x
    x = 3,273,564,717.90/52,865.40
  6. Step 6: Final answer
    x = 61,922.63

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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.