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Finding the Fourth Proportional to 53,993.84, 80,993.21 and 16,551.18

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Solution

The fourth proportional to 53,993.84, 80,993.21 and 16,551.18 is: 24,827.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,993.84 : 80,993.21 = 16,551.18 : x
  2. Step 2: Convert to fraction form
    53,993.84/80,993.21 = 16,551.18/x
  3. Step 3: Cross multiply
    53,993.84x = 80,993.21 × 16,551.18
  4. Step 4: Simplify right side
    53,993.84x = 1,340,533,114.73
  5. Step 5: Solve for x
    x = 1,340,533,114.73/53,993.84
  6. Step 6: Final answer
    x = 24,827.52

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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.