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Finding the Fourth Proportional to 8,425.01, 11,619.95 and 5,441.58

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Solution

The fourth proportional to 8,425.01, 11,619.95 and 5,441.58 is: 7,505.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,425.01 : 11,619.95 = 5,441.58 : x
  2. Step 2: Convert to fraction form
    8,425.01/11,619.95 = 5,441.58/x
  3. Step 3: Cross multiply
    8,425.01x = 11,619.95 × 5,441.58
  4. Step 4: Simplify right side
    8,425.01x = 63,230,860.31
  5. Step 5: Solve for x
    x = 63,230,860.31/8,425.01
  6. Step 6: Final answer
    x = 7,505.14

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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.