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Finding the Fourth Proportional to 31,060.80, 46,600.74 and 18,594.90

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Solution

The fourth proportional to 31,060.80, 46,600.74 and 18,594.90 is: 27,898.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,060.80 : 46,600.74 = 18,594.90 : x
  2. Step 2: Convert to fraction form
    31,060.80/46,600.74 = 18,594.90/x
  3. Step 3: Cross multiply
    31,060.80x = 46,600.74 × 18,594.90
  4. Step 4: Simplify right side
    31,060.80x = 866,536,100.23
  5. Step 5: Solve for x
    x = 866,536,100.23/31,060.80
  6. Step 6: Final answer
    x = 27,898.06

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