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Finding the Fourth Proportional to 6,863.25, 9,465.78 and 4,738.32

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Solution

The fourth proportional to 6,863.25, 9,465.78 and 4,738.32 is: 6,535.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,863.25 : 9,465.78 = 4,738.32 : x
  2. Step 2: Convert to fraction form
    6,863.25/9,465.78 = 4,738.32/x
  3. Step 3: Cross multiply
    6,863.25x = 9,465.78 × 4,738.32
  4. Step 4: Simplify right side
    6,863.25x = 44,851,894.69
  5. Step 5: Solve for x
    x = 44,851,894.69/6,863.25
  6. Step 6: Final answer
    x = 6,535.08

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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.