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Finding the Fourth Proportional to 19,426,186.20, 27,236,473.80 and 19,426,186.20

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Solution

The fourth proportional to 19,426,186.20, 27,236,473.80 and 19,426,186.20 is: 27,236,473.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,426,186.20 : 27,236,473.80 = 19,426,186.20 : x
  2. Step 2: Convert to fraction form
    19,426,186.20/27,236,473.80 = 19,426,186.20/x
  3. Step 3: Cross multiply
    19,426,186.20x = 27,236,473.80 × 19,426,186.20
  4. Step 4: Simplify right side
    19,426,186.20x = 529,100,811,470,221.56
  5. Step 5: Solve for x
    x = 529,100,811,470,221.56/19,426,186.20
  6. Step 6: Final answer
    x = 27,236,473.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.