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Finding the Fourth Proportional to 61,153.85, 84,393.17 and 36,951.46

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Solution

The fourth proportional to 61,153.85, 84,393.17 and 36,951.46 is: 50,993.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,153.85 : 84,393.17 = 36,951.46 : x
  2. Step 2: Convert to fraction form
    61,153.85/84,393.17 = 36,951.46/x
  3. Step 3: Cross multiply
    61,153.85x = 84,393.17 × 36,951.46
  4. Step 4: Simplify right side
    61,153.85x = 3,118,450,796.21
  5. Step 5: Solve for x
    x = 3,118,450,796.21/61,153.85
  6. Step 6: Final answer
    x = 50,993.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.