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Finding the Fourth Proportional to 6,672.01, 9,208.04 and 5,730.90

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Solution

The fourth proportional to 6,672.01, 9,208.04 and 5,730.90 is: 7,909.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,672.01 : 9,208.04 = 5,730.90 : x
  2. Step 2: Convert to fraction form
    6,672.01/9,208.04 = 5,730.90/x
  3. Step 3: Cross multiply
    6,672.01x = 9,208.04 × 5,730.90
  4. Step 4: Simplify right side
    6,672.01x = 52,770,362.31
  5. Step 5: Solve for x
    x = 52,770,362.31/6,672.01
  6. Step 6: Final answer
    x = 7,909.22

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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.