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Finding the Fourth Proportional to 6,622.64, 9,073.10 and 6,373.58

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Solution

The fourth proportional to 6,622.64, 9,073.10 and 6,373.58 is: 8,731.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622.64 : 9,073.10 = 6,373.58 : x
  2. Step 2: Convert to fraction form
    6,622.64/9,073.10 = 6,373.58/x
  3. Step 3: Cross multiply
    6,622.64x = 9,073.10 × 6,373.58
  4. Step 4: Simplify right side
    6,622.64x = 57,828,128.70
  5. Step 5: Solve for x
    x = 57,828,128.70/6,622.64
  6. Step 6: Final answer
    x = 8,731.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.