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Finding the Fourth Proportional to 71,551.70, 98,741.74 and 44,709.80

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Solution

The fourth proportional to 71,551.70, 98,741.74 and 44,709.80 is: 61,699.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,551.70 : 98,741.74 = 44,709.80 : x
  2. Step 2: Convert to fraction form
    71,551.70/98,741.74 = 44,709.80/x
  3. Step 3: Cross multiply
    71,551.70x = 98,741.74 × 44,709.80
  4. Step 4: Simplify right side
    71,551.70x = 4,414,723,447.05
  5. Step 5: Solve for x
    x = 4,414,723,447.05/71,551.70
  6. Step 6: Final answer
    x = 61,699.77

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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.