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Finding the Fourth Proportional to 10,364.16, 15,552.16 and 3,789.44

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Solution

The fourth proportional to 10,364.16, 15,552.16 and 3,789.44 is: 5,686.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,364.16 : 15,552.16 = 3,789.44 : x
  2. Step 2: Convert to fraction form
    10,364.16/15,552.16 = 3,789.44/x
  3. Step 3: Cross multiply
    10,364.16x = 15,552.16 × 3,789.44
  4. Step 4: Simplify right side
    10,364.16x = 58,933,977.19
  5. Step 5: Solve for x
    x = 58,933,977.19/10,364.16
  6. Step 6: Final answer
    x = 5,686.32

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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.