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Finding the Fourth Proportional to 6,622.79, 9,131.97 and 4,827.10

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Solution

The fourth proportional to 6,622.79, 9,131.97 and 4,827.10 is: 6,655.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622.79 : 9,131.97 = 4,827.10 : x
  2. Step 2: Convert to fraction form
    6,622.79/9,131.97 = 4,827.10/x
  3. Step 3: Cross multiply
    6,622.79x = 9,131.97 × 4,827.10
  4. Step 4: Simplify right side
    6,622.79x = 44,080,886.73
  5. Step 5: Solve for x
    x = 44,080,886.73/6,622.79
  6. Step 6: Final answer
    x = 6,655.94

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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.