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Finding the Fourth Proportional to 18,376,927.20, 27,565,390.80 and 13,593,958.20

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Solution

The fourth proportional to 18,376,927.20, 27,565,390.80 and 13,593,958.20 is: 20,390,937.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376,927.20 : 27,565,390.80 = 13,593,958.20 : x
  2. Step 2: Convert to fraction form
    18,376,927.20/27,565,390.80 = 13,593,958.20/x
  3. Step 3: Cross multiply
    18,376,927.20x = 27,565,390.80 × 13,593,958.20
  4. Step 4: Simplify right side
    18,376,927.20x = 374,722,770,301,864.56
  5. Step 5: Solve for x
    x = 374,722,770,301,864.56/18,376,927.20
  6. Step 6: Final answer
    x = 20,390,937.30

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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.