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Finding the Fourth Proportional to 62,511, 86,267.07 and 34,218.60

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Solution

The fourth proportional to 62,511, 86,267.07 and 34,218.60 is: 47,222.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,511 : 86,267.07 = 34,218.60 : x
  2. Step 2: Convert to fraction form
    62,511/86,267.07 = 34,218.60/x
  3. Step 3: Cross multiply
    62,511x = 86,267.07 × 34,218.60
  4. Step 4: Simplify right side
    62,511x = 2,951,938,361.50
  5. Step 5: Solve for x
    x = 2,951,938,361.50/62,511
  6. Step 6: Final answer
    x = 47,222.70

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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.