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Finding the Fourth Proportional to 62,841.70, 86,723.01 and 34,162.99

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Solution

The fourth proportional to 62,841.70, 86,723.01 and 34,162.99 is: 47,145.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,841.70 : 86,723.01 = 34,162.99 : x
  2. Step 2: Convert to fraction form
    62,841.70/86,723.01 = 34,162.99/x
  3. Step 3: Cross multiply
    62,841.70x = 86,723.01 × 34,162.99
  4. Step 4: Simplify right side
    62,841.70x = 2,962,717,323.40
  5. Step 5: Solve for x
    x = 2,962,717,323.40/62,841.70
  6. Step 6: Final answer
    x = 47,145.72

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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.