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Finding the Fourth Proportional to 15,863.40, 23,772.30 and 8,923.24

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Solution

The fourth proportional to 15,863.40, 23,772.30 and 8,923.24 is: 13,372.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,863.40 : 23,772.30 = 8,923.24 : x
  2. Step 2: Convert to fraction form
    15,863.40/23,772.30 = 8,923.24/x
  3. Step 3: Cross multiply
    15,863.40x = 23,772.30 × 8,923.24
  4. Step 4: Simplify right side
    15,863.40x = 212,125,938.25
  5. Step 5: Solve for x
    x = 212,125,938.25/15,863.40
  6. Step 6: Final answer
    x = 13,372.03

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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.