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Finding the Fourth Proportional to 62,977.86, 86,910.03 and 34,683.66

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Solution

The fourth proportional to 62,977.86, 86,910.03 and 34,683.66 is: 47,863.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,977.86 : 86,910.03 = 34,683.66 : x
  2. Step 2: Convert to fraction form
    62,977.86/86,910.03 = 34,683.66/x
  3. Step 3: Cross multiply
    62,977.86x = 86,910.03 × 34,683.66
  4. Step 4: Simplify right side
    62,977.86x = 3,014,357,931.11
  5. Step 5: Solve for x
    x = 3,014,357,931.11/62,977.86
  6. Step 6: Final answer
    x = 47,863.77

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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.