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Finding the Fourth Proportional to 13,562.94, 20,344.94 and 4,203.92

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Solution

The fourth proportional to 13,562.94, 20,344.94 and 4,203.92 is: 6,306.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,562.94 : 20,344.94 = 4,203.92 : x
  2. Step 2: Convert to fraction form
    13,562.94/20,344.94 = 4,203.92/x
  3. Step 3: Cross multiply
    13,562.94x = 20,344.94 × 4,203.92
  4. Step 4: Simplify right side
    13,562.94x = 85,528,500.16
  5. Step 5: Solve for x
    x = 85,528,500.16/13,562.94
  6. Step 6: Final answer
    x = 6,306.04

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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.