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Finding the Fourth Proportional to 7,896.66, 10,894.68 and 5,063.82

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Solution

The fourth proportional to 7,896.66, 10,894.68 and 5,063.82 is: 6,986.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,896.66 : 10,894.68 = 5,063.82 : x
  2. Step 2: Convert to fraction form
    7,896.66/10,894.68 = 5,063.82/x
  3. Step 3: Cross multiply
    7,896.66x = 10,894.68 × 5,063.82
  4. Step 4: Simplify right side
    7,896.66x = 55,168,643.38
  5. Step 5: Solve for x
    x = 55,168,643.38/7,896.66
  6. Step 6: Final answer
    x = 6,986.32

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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.