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Finding the Fourth Proportional to 7,029.15, 9,665.24 and 6,737.55

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Solution

The fourth proportional to 7,029.15, 9,665.24 and 6,737.55 is: 9,264.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.15 : 9,665.24 = 6,737.55 : x
  2. Step 2: Convert to fraction form
    7,029.15/9,665.24 = 6,737.55/x
  3. Step 3: Cross multiply
    7,029.15x = 9,665.24 × 6,737.55
  4. Step 4: Simplify right side
    7,029.15x = 65,120,004.07
  5. Step 5: Solve for x
    x = 65,120,004.07/7,029.15
  6. Step 6: Final answer
    x = 9,264.28

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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.