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Finding the Fourth Proportional to 62,693.21, 86,516.63 and 35,836.30

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Solution

The fourth proportional to 62,693.21, 86,516.63 and 35,836.30 is: 49,454.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,693.21 : 86,516.63 = 35,836.30 : x
  2. Step 2: Convert to fraction form
    62,693.21/86,516.63 = 35,836.30/x
  3. Step 3: Cross multiply
    62,693.21x = 86,516.63 × 35,836.30
  4. Step 4: Simplify right side
    62,693.21x = 3,100,436,105.41
  5. Step 5: Solve for x
    x = 3,100,436,105.41/62,693.21
  6. Step 6: Final answer
    x = 49,454.10

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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.