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Finding the Fourth Proportional to 27,014.80, 40,497.90 and 17,659.30

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Solution

The fourth proportional to 27,014.80, 40,497.90 and 17,659.30 is: 26,473.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,014.80 : 40,497.90 = 17,659.30 : x
  2. Step 2: Convert to fraction form
    27,014.80/40,497.90 = 17,659.30/x
  3. Step 3: Cross multiply
    27,014.80x = 40,497.90 × 17,659.30
  4. Step 4: Simplify right side
    27,014.80x = 715,164,565.47
  5. Step 5: Solve for x
    x = 715,164,565.47/27,014.80
  6. Step 6: Final answer
    x = 26,473.07

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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.