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Finding the Fourth Proportional to 8,473.79, 11,693.85 and 4,697.02

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Solution

The fourth proportional to 8,473.79, 11,693.85 and 4,697.02 is: 6,481.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,473.79 : 11,693.85 = 4,697.02 : x
  2. Step 2: Convert to fraction form
    8,473.79/11,693.85 = 4,697.02/x
  3. Step 3: Cross multiply
    8,473.79x = 11,693.85 × 4,697.02
  4. Step 4: Simplify right side
    8,473.79x = 54,926,218.09
  5. Step 5: Solve for x
    x = 54,926,218.09/8,473.79
  6. Step 6: Final answer
    x = 6,481.89

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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.