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Finding the Fourth Proportional to 52,719.84, 72,753.08 and 28,846.08

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Solution

The fourth proportional to 52,719.84, 72,753.08 and 28,846.08 is: 39,807.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,719.84 : 72,753.08 = 28,846.08 : x
  2. Step 2: Convert to fraction form
    52,719.84/72,753.08 = 28,846.08/x
  3. Step 3: Cross multiply
    52,719.84x = 72,753.08 × 28,846.08
  4. Step 4: Simplify right side
    52,719.84x = 2,098,641,165.93
  5. Step 5: Solve for x
    x = 2,098,641,165.93/52,719.84
  6. Step 6: Final answer
    x = 39,807.43

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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.