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Finding the Fourth Proportional to 19,953.39, 27,553.48 and 19,008.12

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Solution

The fourth proportional to 19,953.39, 27,553.48 and 19,008.12 is: 26,248.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,953.39 : 27,553.48 = 19,008.12 : x
  2. Step 2: Convert to fraction form
    19,953.39/27,553.48 = 19,008.12/x
  3. Step 3: Cross multiply
    19,953.39x = 27,553.48 × 19,008.12
  4. Step 4: Simplify right side
    19,953.39x = 523,740,016.98
  5. Step 5: Solve for x
    x = 523,740,016.98/19,953.39
  6. Step 6: Final answer
    x = 26,248.17

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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.