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Finding the Fourth Proportional to 10,496, 15,746.56 and 3,200

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Solution

The fourth proportional to 10,496, 15,746.56 and 3,200 is: 4,800.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,496 : 15,746.56 = 3,200 : x
  2. Step 2: Convert to fraction form
    10,496/15,746.56 = 3,200/x
  3. Step 3: Cross multiply
    10,496x = 15,746.56 × 3,200
  4. Step 4: Simplify right side
    10,496x = 50,388,992
  5. Step 5: Solve for x
    x = 50,388,992/10,496
  6. Step 6: Final answer
    x = 4,800.78

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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.