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Finding the Fourth Proportional to 56,161.35, 77,483.89 and 36,029.10

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Solution

The fourth proportional to 56,161.35, 77,483.89 and 36,029.10 is: 49,708.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,161.35 : 77,483.89 = 36,029.10 : x
  2. Step 2: Convert to fraction form
    56,161.35/77,483.89 = 36,029.10/x
  3. Step 3: Cross multiply
    56,161.35x = 77,483.89 × 36,029.10
  4. Step 4: Simplify right side
    56,161.35x = 2,791,675,156.80
  5. Step 5: Solve for x
    x = 2,791,675,156.80/56,161.35
  6. Step 6: Final answer
    x = 49,708.12

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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.