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Finding the Fourth Proportional to 62,899.86, 86,794.66 and 34,603.86

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Solution

The fourth proportional to 62,899.86, 86,794.66 and 34,603.86 is: 47,749.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,899.86 : 86,794.66 = 34,603.86 : x
  2. Step 2: Convert to fraction form
    62,899.86/86,794.66 = 34,603.86/x
  3. Step 3: Cross multiply
    62,899.86x = 86,794.66 × 34,603.86
  4. Step 4: Simplify right side
    62,899.86x = 3,003,430,263.39
  5. Step 5: Solve for x
    x = 3,003,430,263.39/62,899.86
  6. Step 6: Final answer
    x = 47,749.40

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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.