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Finding the Fourth Proportional to 8,672.19, 11,967.62 and 4,693.33

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Solution

The fourth proportional to 8,672.19, 11,967.62 and 4,693.33 is: 6,476.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,672.19 : 11,967.62 = 4,693.33 : x
  2. Step 2: Convert to fraction form
    8,672.19/11,967.62 = 4,693.33/x
  3. Step 3: Cross multiply
    8,672.19x = 11,967.62 × 4,693.33
  4. Step 4: Simplify right side
    8,672.19x = 56,167,969.15
  5. Step 5: Solve for x
    x = 56,167,969.15/8,672.19
  6. Step 6: Final answer
    x = 6,476.79

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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.