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Finding the Fourth Proportional to 44,803.92, 67,201.08 and 13,639.44

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Solution

The fourth proportional to 44,803.92, 67,201.08 and 13,639.44 is: 20,457.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,803.92 : 67,201.08 = 13,639.44 : x
  2. Step 2: Convert to fraction form
    44,803.92/67,201.08 = 13,639.44/x
  3. Step 3: Cross multiply
    44,803.92x = 67,201.08 × 13,639.44
  4. Step 4: Simplify right side
    44,803.92x = 916,585,098.60
  5. Step 5: Solve for x
    x = 916,585,098.60/44,803.92
  6. Step 6: Final answer
    x = 20,457.70

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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.