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Finding the Fourth Proportional to 6,369.55, 9,489.76 and 6,055.86

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Solution

The fourth proportional to 6,369.55, 9,489.76 and 6,055.86 is: 9,022.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,369.55 : 9,489.76 = 6,055.86 : x
  2. Step 2: Convert to fraction form
    6,369.55/9,489.76 = 6,055.86/x
  3. Step 3: Cross multiply
    6,369.55x = 9,489.76 × 6,055.86
  4. Step 4: Simplify right side
    6,369.55x = 57,468,678.44
  5. Step 5: Solve for x
    x = 57,468,678.44/6,369.55
  6. Step 6: Final answer
    x = 9,022.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.