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Finding the Fourth Proportional to 6,475.27, 8,936.74 and 4,801.45

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Solution

The fourth proportional to 6,475.27, 8,936.74 and 4,801.45 is: 6,626.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475.27 : 8,936.74 = 4,801.45 : x
  2. Step 2: Convert to fraction form
    6,475.27/8,936.74 = 4,801.45/x
  3. Step 3: Cross multiply
    6,475.27x = 8,936.74 × 4,801.45
  4. Step 4: Simplify right side
    6,475.27x = 42,909,265.98
  5. Step 5: Solve for x
    x = 42,909,265.98/6,475.27
  6. Step 6: Final answer
    x = 6,626.64

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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.