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Finding the Fourth Proportional to 56,332.86, 84,330.93 and 34,078.98

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Solution

The fourth proportional to 56,332.86, 84,330.93 and 34,078.98 is: 51,016.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,332.86 : 84,330.93 = 34,078.98 : x
  2. Step 2: Convert to fraction form
    56,332.86/84,330.93 = 34,078.98/x
  3. Step 3: Cross multiply
    56,332.86x = 84,330.93 × 34,078.98
  4. Step 4: Simplify right side
    56,332.86x = 2,873,912,076.85
  5. Step 5: Solve for x
    x = 2,873,912,076.85/56,332.86
  6. Step 6: Final answer
    x = 51,016.62

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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.