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Finding the Fourth Proportional to 62,698.32, 86,524.74 and 34,406.64

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Solution

The fourth proportional to 62,698.32, 86,524.74 and 34,406.64 is: 47,481.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,698.32 : 86,524.74 = 34,406.64 : x
  2. Step 2: Convert to fraction form
    62,698.32/86,524.74 = 34,406.64/x
  3. Step 3: Cross multiply
    62,698.32x = 86,524.74 × 34,406.64
  4. Step 4: Simplify right side
    62,698.32x = 2,977,025,580.27
  5. Step 5: Solve for x
    x = 2,977,025,580.27/62,698.32
  6. Step 6: Final answer
    x = 47,481.74

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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.