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Finding the Fourth Proportional to 15,844.40, 23,750.40 and 9,267.20

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Solution

The fourth proportional to 15,844.40, 23,750.40 and 9,267.20 is: 13,891.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,844.40 : 23,750.40 = 9,267.20 : x
  2. Step 2: Convert to fraction form
    15,844.40/23,750.40 = 9,267.20/x
  3. Step 3: Cross multiply
    15,844.40x = 23,750.40 × 9,267.20
  4. Step 4: Simplify right side
    15,844.40x = 220,099,706.88
  5. Step 5: Solve for x
    x = 220,099,706.88/15,844.40
  6. Step 6: Final answer
    x = 13,891.32

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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.