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Finding the Fourth Proportional to 6,964.94, 9,607.73 and 4,129.59

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Solution

The fourth proportional to 6,964.94, 9,607.73 and 4,129.59 is: 5,696.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,964.94 : 9,607.73 = 4,129.59 : x
  2. Step 2: Convert to fraction form
    6,964.94/9,607.73 = 4,129.59/x
  3. Step 3: Cross multiply
    6,964.94x = 9,607.73 × 4,129.59
  4. Step 4: Simplify right side
    6,964.94x = 39,675,970.30
  5. Step 5: Solve for x
    x = 39,675,970.30/6,964.94
  6. Step 6: Final answer
    x = 5,696.53

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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.