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Finding the Fourth Proportional to 63,064.60, 94,467.30 and 31,917.40

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Solution

The fourth proportional to 63,064.60, 94,467.30 and 31,917.40 is: 47,810.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,064.60 : 94,467.30 = 31,917.40 : x
  2. Step 2: Convert to fraction form
    63,064.60/94,467.30 = 31,917.40/x
  3. Step 3: Cross multiply
    63,064.60x = 94,467.30 × 31,917.40
  4. Step 4: Simplify right side
    63,064.60x = 3,015,150,601.02
  5. Step 5: Solve for x
    x = 3,015,150,601.02/63,064.60
  6. Step 6: Final answer
    x = 47,810.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.