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Finding the Fourth Proportional to 9,672.75, 13,348.40 and 5,696.33

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Solution

The fourth proportional to 9,672.75, 13,348.40 and 5,696.33 is: 7,860.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,672.75 : 13,348.40 = 5,696.33 : x
  2. Step 2: Convert to fraction form
    9,672.75/13,348.40 = 5,696.33/x
  3. Step 3: Cross multiply
    9,672.75x = 13,348.40 × 5,696.33
  4. Step 4: Simplify right side
    9,672.75x = 76,036,796.15
  5. Step 5: Solve for x
    x = 76,036,796.15/9,672.75
  6. Step 6: Final answer
    x = 7,860.93

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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.