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Finding the Fourth Proportional to 6,666.92, 10,004.80 and 2,771.32

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Solution

The fourth proportional to 6,666.92, 10,004.80 and 2,771.32 is: 4,158.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666.92 : 10,004.80 = 2,771.32 : x
  2. Step 2: Convert to fraction form
    6,666.92/10,004.80 = 2,771.32/x
  3. Step 3: Cross multiply
    6,666.92x = 10,004.80 × 2,771.32
  4. Step 4: Simplify right side
    6,666.92x = 27,726,502.34
  5. Step 5: Solve for x
    x = 27,726,502.34/6,666.92
  6. Step 6: Final answer
    x = 4,158.82

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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.