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Finding the Fourth Proportional to 44,990.80, 67,447.80 and 31,801.68

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Solution

The fourth proportional to 44,990.80, 67,447.80 and 31,801.68 is: 47,675.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,990.80 : 67,447.80 = 31,801.68 : x
  2. Step 2: Convert to fraction form
    44,990.80/67,447.80 = 31,801.68/x
  3. Step 3: Cross multiply
    44,990.80x = 67,447.80 × 31,801.68
  4. Step 4: Simplify right side
    44,990.80x = 2,144,953,352.30
  5. Step 5: Solve for x
    x = 2,144,953,352.30/44,990.80
  6. Step 6: Final answer
    x = 47,675.38

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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.