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Finding the Fourth Proportional to 6,934.32, 9,569.16 and 3,790.44

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Solution

The fourth proportional to 6,934.32, 9,569.16 and 3,790.44 is: 5,230.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,934.32 : 9,569.16 = 3,790.44 : x
  2. Step 2: Convert to fraction form
    6,934.32/9,569.16 = 3,790.44/x
  3. Step 3: Cross multiply
    6,934.32x = 9,569.16 × 3,790.44
  4. Step 4: Simplify right side
    6,934.32x = 36,271,326.83
  5. Step 5: Solve for x
    x = 36,271,326.83/6,934.32
  6. Step 6: Final answer
    x = 5,230.70

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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.