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Finding the Fourth Proportional to 6,572.26, 9,069.83 and 3,921.22

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Solution

The fourth proportional to 6,572.26, 9,069.83 and 3,921.22 is: 5,411.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,572.26 : 9,069.83 = 3,921.22 : x
  2. Step 2: Convert to fraction form
    6,572.26/9,069.83 = 3,921.22/x
  3. Step 3: Cross multiply
    6,572.26x = 9,069.83 × 3,921.22
  4. Step 4: Simplify right side
    6,572.26x = 35,564,798.79
  5. Step 5: Solve for x
    x = 35,564,798.79/6,572.26
  6. Step 6: Final answer
    x = 5,411.35

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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.