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Finding the Fourth Proportional to 55,776.78, 83,665.20 and 35,014.86

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Solution

The fourth proportional to 55,776.78, 83,665.20 and 35,014.86 is: 52,522.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,776.78 : 83,665.20 = 35,014.86 : x
  2. Step 2: Convert to fraction form
    55,776.78/83,665.20 = 35,014.86/x
  3. Step 3: Cross multiply
    55,776.78x = 83,665.20 × 35,014.86
  4. Step 4: Simplify right side
    55,776.78x = 2,929,525,264.87
  5. Step 5: Solve for x
    x = 2,929,525,264.87/55,776.78
  6. Step 6: Final answer
    x = 52,522.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.