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Finding the Fourth Proportional to 9,597.79, 13,244.91 and 5,619.65

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Solution

The fourth proportional to 9,597.79, 13,244.91 and 5,619.65 is: 7,755.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,597.79 : 13,244.91 = 5,619.65 : x
  2. Step 2: Convert to fraction form
    9,597.79/13,244.91 = 5,619.65/x
  3. Step 3: Cross multiply
    9,597.79x = 13,244.91 × 5,619.65
  4. Step 4: Simplify right side
    9,597.79x = 74,431,758.48
  5. Step 5: Solve for x
    x = 74,431,758.48/9,597.79
  6. Step 6: Final answer
    x = 7,755.09

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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.