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Finding the Fourth Proportional to 58,727.52, 81,017.52 and 34,855.20

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Solution

The fourth proportional to 58,727.52, 81,017.52 and 34,855.20 is: 48,084.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,727.52 : 81,017.52 = 34,855.20 : x
  2. Step 2: Convert to fraction form
    58,727.52/81,017.52 = 34,855.20/x
  3. Step 3: Cross multiply
    58,727.52x = 81,017.52 × 34,855.20
  4. Step 4: Simplify right side
    58,727.52x = 2,823,881,863.10
  5. Step 5: Solve for x
    x = 2,823,881,863.10/58,727.52
  6. Step 6: Final answer
    x = 48,084.47

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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.