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Finding the Fourth Proportional to 52,547.88, 78,513.99 and 50,710.44

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Solution

The fourth proportional to 52,547.88, 78,513.99 and 50,710.44 is: 75,768.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,547.88 : 78,513.99 = 50,710.44 : x
  2. Step 2: Convert to fraction form
    52,547.88/78,513.99 = 50,710.44/x
  3. Step 3: Cross multiply
    52,547.88x = 78,513.99 × 50,710.44
  4. Step 4: Simplify right side
    52,547.88x = 3,981,478,979.06
  5. Step 5: Solve for x
    x = 3,981,478,979.06/52,547.88
  6. Step 6: Final answer
    x = 75,768.59

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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.