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Finding the Fourth Proportional to 63,067.60, 94,471.80 and 31,920.40

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Solution

The fourth proportional to 63,067.60, 94,471.80 and 31,920.40 is: 47,815.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,067.60 : 94,471.80 = 31,920.40 : x
  2. Step 2: Convert to fraction form
    63,067.60/94,471.80 = 31,920.40/x
  3. Step 3: Cross multiply
    63,067.60x = 94,471.80 × 31,920.40
  4. Step 4: Simplify right side
    63,067.60x = 3,015,577,644.72
  5. Step 5: Solve for x
    x = 3,015,577,644.72/63,067.60
  6. Step 6: Final answer
    x = 47,815.01

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1.5x scale

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.