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Finding the Fourth Proportional to 61,941.96, 85,465.21 and 36,449.44

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Solution

The fourth proportional to 61,941.96, 85,465.21 and 36,449.44 is: 50,291.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,941.96 : 85,465.21 = 36,449.44 : x
  2. Step 2: Convert to fraction form
    61,941.96/85,465.21 = 36,449.44/x
  3. Step 3: Cross multiply
    61,941.96x = 85,465.21 × 36,449.44
  4. Step 4: Simplify right side
    61,941.96x = 3,115,159,043.98
  5. Step 5: Solve for x
    x = 3,115,159,043.98/61,941.96
  6. Step 6: Final answer
    x = 50,291.58

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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.