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Finding the Fourth Proportional to 7,894.26, 10,895.24 and 5,205.06

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Solution

The fourth proportional to 7,894.26, 10,895.24 and 5,205.06 is: 7,183.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,894.26 : 10,895.24 = 5,205.06 : x
  2. Step 2: Convert to fraction form
    7,894.26/10,895.24 = 5,205.06/x
  3. Step 3: Cross multiply
    7,894.26x = 10,895.24 × 5,205.06
  4. Step 4: Simplify right side
    7,894.26x = 56,710,390.93
  5. Step 5: Solve for x
    x = 56,710,390.93/7,894.26
  6. Step 6: Final answer
    x = 7,183.75

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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.