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Finding the Fourth Proportional to 6,973.74, 9,625.90 and 4,141.58

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Solution

The fourth proportional to 6,973.74, 9,625.90 and 4,141.58 is: 5,716.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,973.74 : 9,625.90 = 4,141.58 : x
  2. Step 2: Convert to fraction form
    6,973.74/9,625.90 = 4,141.58/x
  3. Step 3: Cross multiply
    6,973.74x = 9,625.90 × 4,141.58
  4. Step 4: Simplify right side
    6,973.74x = 39,866,434.92
  5. Step 5: Solve for x
    x = 39,866,434.92/6,973.74
  6. Step 6: Final answer
    x = 5,716.65

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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.