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Finding the Fourth Proportional to 62,511.76, 86,267.04 and 34,216.84

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Solution

The fourth proportional to 62,511.76, 86,267.04 and 34,216.84 is: 47,219.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,511.76 : 86,267.04 = 34,216.84 : x
  2. Step 2: Convert to fraction form
    62,511.76/86,267.04 = 34,216.84/x
  3. Step 3: Cross multiply
    62,511.76x = 86,267.04 × 34,216.84
  4. Step 4: Simplify right side
    62,511.76x = 2,951,785,504.95
  5. Step 5: Solve for x
    x = 2,951,785,504.95/62,511.76
  6. Step 6: Final answer
    x = 47,219.68

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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.