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Finding the Fourth Proportional to 7,165.52, 10,733.52 and 6,345.92

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Solution

The fourth proportional to 7,165.52, 10,733.52 and 6,345.92 is: 9,505.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,165.52 : 10,733.52 = 6,345.92 : x
  2. Step 2: Convert to fraction form
    7,165.52/10,733.52 = 6,345.92/x
  3. Step 3: Cross multiply
    7,165.52x = 10,733.52 × 6,345.92
  4. Step 4: Simplify right side
    7,165.52x = 68,114,059.24
  5. Step 5: Solve for x
    x = 68,114,059.24/7,165.52
  6. Step 6: Final answer
    x = 9,505.81

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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.