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Finding the Fourth Proportional to 7,395.55, 10,200.09 and 4,743.16

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Solution

The fourth proportional to 7,395.55, 10,200.09 and 4,743.16 is: 6,541.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,395.55 : 10,200.09 = 4,743.16 : x
  2. Step 2: Convert to fraction form
    7,395.55/10,200.09 = 4,743.16/x
  3. Step 3: Cross multiply
    7,395.55x = 10,200.09 × 4,743.16
  4. Step 4: Simplify right side
    7,395.55x = 48,380,658.88
  5. Step 5: Solve for x
    x = 48,380,658.88/7,395.55
  6. Step 6: Final answer
    x = 6,541.86

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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.