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Finding the Fourth Proportional to 62,888.70, 86,790.64 and 34,596.21

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Solution

The fourth proportional to 62,888.70, 86,790.64 and 34,596.21 is: 47,745.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,888.70 : 86,790.64 = 34,596.21 : x
  2. Step 2: Convert to fraction form
    62,888.70/86,790.64 = 34,596.21/x
  3. Step 3: Cross multiply
    62,888.70x = 86,790.64 × 34,596.21
  4. Step 4: Simplify right side
    62,888.70x = 3,002,627,511.32
  5. Step 5: Solve for x
    x = 3,002,627,511.32/62,888.70
  6. Step 6: Final answer
    x = 47,745.10

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1.5x scale

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.