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Finding the Fourth Proportional to 62,977.36, 86,909.36 and 34,683.16

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Solution

The fourth proportional to 62,977.36, 86,909.36 and 34,683.16 is: 47,863.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,977.36 : 86,909.36 = 34,683.16 : x
  2. Step 2: Convert to fraction form
    62,977.36/86,909.36 = 34,683.16/x
  3. Step 3: Cross multiply
    62,977.36x = 86,909.36 × 34,683.16
  4. Step 4: Simplify right side
    62,977.36x = 3,014,291,238.38
  5. Step 5: Solve for x
    x = 3,014,291,238.38/62,977.36
  6. Step 6: Final answer
    x = 47,863.09

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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.