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Finding the Fourth Proportional to 7,314.72, 10,095.84 and 6,724.32

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Solution

The fourth proportional to 7,314.72, 10,095.84 and 6,724.32 is: 9,280.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,314.72 : 10,095.84 = 6,724.32 : x
  2. Step 2: Convert to fraction form
    7,314.72/10,095.84 = 6,724.32/x
  3. Step 3: Cross multiply
    7,314.72x = 10,095.84 × 6,724.32
  4. Step 4: Simplify right side
    7,314.72x = 67,887,658.83
  5. Step 5: Solve for x
    x = 67,887,658.83/7,314.72
  6. Step 6: Final answer
    x = 9,280.96

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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.