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Finding the Fourth Proportional to 8,423.00, 11,622.38 and 5,065.01

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Solution

The fourth proportional to 8,423.00, 11,622.38 and 5,065.01 is: 6,988.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.00 : 11,622.38 = 5,065.01 : x
  2. Step 2: Convert to fraction form
    8,423.00/11,622.38 = 5,065.01/x
  3. Step 3: Cross multiply
    8,423.00x = 11,622.38 × 5,065.01
  4. Step 4: Simplify right side
    8,423.00x = 58,867,387.49
  5. Step 5: Solve for x
    x = 58,867,387.49/8,423.00
  6. Step 6: Final answer
    x = 6,988.89

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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.