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Finding the Fourth Proportional to 6,160.69, 9,240.90 and 2,653.03

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Solution

The fourth proportional to 6,160.69, 9,240.90 and 2,653.03 is: 3,979.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,160.69 : 9,240.90 = 2,653.03 : x
  2. Step 2: Convert to fraction form
    6,160.69/9,240.90 = 2,653.03/x
  3. Step 3: Cross multiply
    6,160.69x = 9,240.90 × 2,653.03
  4. Step 4: Simplify right side
    6,160.69x = 24,516,384.93
  5. Step 5: Solve for x
    x = 24,516,384.93/6,160.69
  6. Step 6: Final answer
    x = 3,979.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.