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Finding the Fourth Proportional to 61,302.85, 91,999.91 and 45,544.57

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Solution

The fourth proportional to 61,302.85, 91,999.91 and 45,544.57 is: 68,350.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,302.85 : 91,999.91 = 45,544.57 : x
  2. Step 2: Convert to fraction form
    61,302.85/91,999.91 = 45,544.57/x
  3. Step 3: Cross multiply
    61,302.85x = 91,999.91 × 45,544.57
  4. Step 4: Simplify right side
    61,302.85x = 4,190,096,340.99
  5. Step 5: Solve for x
    x = 4,190,096,340.99/61,302.85
  6. Step 6: Final answer
    x = 68,350.76

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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.