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Finding the Fourth Proportional to 18,594.82, 27,904.65 and 6,909.22

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Solution

The fourth proportional to 18,594.82, 27,904.65 and 6,909.22 is: 10,368.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,594.82 : 27,904.65 = 6,909.22 : x
  2. Step 2: Convert to fraction form
    18,594.82/27,904.65 = 6,909.22/x
  3. Step 3: Cross multiply
    18,594.82x = 27,904.65 × 6,909.22
  4. Step 4: Simplify right side
    18,594.82x = 192,799,365.87
  5. Step 5: Solve for x
    x = 192,799,365.87/18,594.82
  6. Step 6: Final answer
    x = 10,368.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.