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Finding the Fourth Proportional to 39,137.66, 58,705.44 and 11,059.66

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Solution

The fourth proportional to 39,137.66, 58,705.44 and 11,059.66 is: 16,589.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,137.66 : 58,705.44 = 11,059.66 : x
  2. Step 2: Convert to fraction form
    39,137.66/58,705.44 = 11,059.66/x
  3. Step 3: Cross multiply
    39,137.66x = 58,705.44 × 11,059.66
  4. Step 4: Simplify right side
    39,137.66x = 649,262,206.55
  5. Step 5: Solve for x
    x = 649,262,206.55/39,137.66
  6. Step 6: Final answer
    x = 16,589.19

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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.