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Finding the Fourth Proportional to 10,573.92, 15,856.72 and 3,908.32

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Solution

The fourth proportional to 10,573.92, 15,856.72 and 3,908.32 is: 5,860.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,573.92 : 15,856.72 = 3,908.32 : x
  2. Step 2: Convert to fraction form
    10,573.92/15,856.72 = 3,908.32/x
  3. Step 3: Cross multiply
    10,573.92x = 15,856.72 × 3,908.32
  4. Step 4: Simplify right side
    10,573.92x = 61,973,135.91
  5. Step 5: Solve for x
    x = 61,973,135.91/10,573.92
  6. Step 6: Final answer
    x = 5,860.94

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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.