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Finding the Fourth Proportional to 7,883.37, 10,878.30 and 4,525.38

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Solution

The fourth proportional to 7,883.37, 10,878.30 and 4,525.38 is: 6,244.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883.37 : 10,878.30 = 4,525.38 : x
  2. Step 2: Convert to fraction form
    7,883.37/10,878.30 = 4,525.38/x
  3. Step 3: Cross multiply
    7,883.37x = 10,878.30 × 4,525.38
  4. Step 4: Simplify right side
    7,883.37x = 49,228,441.25
  5. Step 5: Solve for x
    x = 49,228,441.25/7,883.37
  6. Step 6: Final answer
    x = 6,244.59

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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.