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Finding the Fourth Proportional to 6,650.92, 9,970.20 and 5,273.11

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Solution

The fourth proportional to 6,650.92, 9,970.20 and 5,273.11 is: 7,904.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650.92 : 9,970.20 = 5,273.11 : x
  2. Step 2: Convert to fraction form
    6,650.92/9,970.20 = 5,273.11/x
  3. Step 3: Cross multiply
    6,650.92x = 9,970.20 × 5,273.11
  4. Step 4: Simplify right side
    6,650.92x = 52,573,973.78
  5. Step 5: Solve for x
    x = 52,573,973.78/6,650.92
  6. Step 6: Final answer
    x = 7,904.77

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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.