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Finding the Fourth Proportional to 50,999.90, 76,425.15 and 45,734.90

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Solution

The fourth proportional to 50,999.90, 76,425.15 and 45,734.90 is: 68,535.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,999.90 : 76,425.15 = 45,734.90 : x
  2. Step 2: Convert to fraction form
    50,999.90/76,425.15 = 45,734.90/x
  3. Step 3: Cross multiply
    50,999.90x = 76,425.15 × 45,734.90
  4. Step 4: Simplify right side
    50,999.90x = 3,495,296,592.74
  5. Step 5: Solve for x
    x = 3,495,296,592.74/50,999.90
  6. Step 6: Final answer
    x = 68,535.36

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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.