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Finding the Fourth Proportional to 10,405.44, 15,604.20 and 3,007.44

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Solution

The fourth proportional to 10,405.44, 15,604.20 and 3,007.44 is: 4,510.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,405.44 : 15,604.20 = 3,007.44 : x
  2. Step 2: Convert to fraction form
    10,405.44/15,604.20 = 3,007.44/x
  3. Step 3: Cross multiply
    10,405.44x = 15,604.20 × 3,007.44
  4. Step 4: Simplify right side
    10,405.44x = 46,928,695.25
  5. Step 5: Solve for x
    x = 46,928,695.25/10,405.44
  6. Step 6: Final answer
    x = 4,510.02

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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.