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Finding the Fourth Proportional to 8,597.96, 11,865.51 and 5,573.75

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Solution

The fourth proportional to 8,597.96, 11,865.51 and 5,573.75 is: 7,691.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,597.96 : 11,865.51 = 5,573.75 : x
  2. Step 2: Convert to fraction form
    8,597.96/11,865.51 = 5,573.75/x
  3. Step 3: Cross multiply
    8,597.96x = 11,865.51 × 5,573.75
  4. Step 4: Simplify right side
    8,597.96x = 66,135,386.36
  5. Step 5: Solve for x
    x = 66,135,386.36/8,597.96
  6. Step 6: Final answer
    x = 7,691.99

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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.