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Finding the Fourth Proportional to 6,561.58, 9,059.25 and 5,066.86

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Solution

The fourth proportional to 6,561.58, 9,059.25 and 5,066.86 is: 6,995.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,561.58 : 9,059.25 = 5,066.86 : x
  2. Step 2: Convert to fraction form
    6,561.58/9,059.25 = 5,066.86/x
  3. Step 3: Cross multiply
    6,561.58x = 9,059.25 × 5,066.86
  4. Step 4: Simplify right side
    6,561.58x = 45,901,951.46
  5. Step 5: Solve for x
    x = 45,901,951.46/6,561.58
  6. Step 6: Final answer
    x = 6,995.56

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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.