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Finding the Fourth Proportional to 7,305.32, 10,963.92 and 2,925.92

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Solution

The fourth proportional to 7,305.32, 10,963.92 and 2,925.92 is: 4,391.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,305.32 : 10,963.92 = 2,925.92 : x
  2. Step 2: Convert to fraction form
    7,305.32/10,963.92 = 2,925.92/x
  3. Step 3: Cross multiply
    7,305.32x = 10,963.92 × 2,925.92
  4. Step 4: Simplify right side
    7,305.32x = 32,079,552.81
  5. Step 5: Solve for x
    x = 32,079,552.81/7,305.32
  6. Step 6: Final answer
    x = 4,391.26

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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.