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Finding the Fourth Proportional to 6,122.55, 9,169.23 and 4,725.70

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Solution

The fourth proportional to 6,122.55, 9,169.23 and 4,725.70 is: 7,077.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.55 : 9,169.23 = 4,725.70 : x
  2. Step 2: Convert to fraction form
    6,122.55/9,169.23 = 4,725.70/x
  3. Step 3: Cross multiply
    6,122.55x = 9,169.23 × 4,725.70
  4. Step 4: Simplify right side
    6,122.55x = 43,331,030.21
  5. Step 5: Solve for x
    x = 43,331,030.21/6,122.55
  6. Step 6: Final answer
    x = 7,077.28

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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.