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Finding the Fourth Proportional to 61,944.45, 85,476.08 and 36,445.21

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Solution

The fourth proportional to 61,944.45, 85,476.08 and 36,445.21 is: 50,290.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,944.45 : 85,476.08 = 36,445.21 : x
  2. Step 2: Convert to fraction form
    61,944.45/85,476.08 = 36,445.21/x
  3. Step 3: Cross multiply
    61,944.45x = 85,476.08 × 36,445.21
  4. Step 4: Simplify right side
    61,944.45x = 3,115,193,563.00
  5. Step 5: Solve for x
    x = 3,115,193,563.00/61,944.45
  6. Step 6: Final answer
    x = 50,290.12

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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.