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Finding the Fourth Proportional to 11,627.92, 16,041.28 and 7,849.92

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Solution

The fourth proportional to 11,627.92, 16,041.28 and 7,849.92 is: 10,829.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,627.92 : 16,041.28 = 7,849.92 : x
  2. Step 2: Convert to fraction form
    11,627.92/16,041.28 = 7,849.92/x
  3. Step 3: Cross multiply
    11,627.92x = 16,041.28 × 7,849.92
  4. Step 4: Simplify right side
    11,627.92x = 125,922,764.70
  5. Step 5: Solve for x
    x = 125,922,764.70/11,627.92
  6. Step 6: Final answer
    x = 10,829.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.