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Finding the Fourth Proportional to 19,604.99, 27,054.78 and 10,652.51

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Solution

The fourth proportional to 19,604.99, 27,054.78 and 10,652.51 is: 14,700.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,604.99 : 27,054.78 = 10,652.51 : x
  2. Step 2: Convert to fraction form
    19,604.99/27,054.78 = 10,652.51/x
  3. Step 3: Cross multiply
    19,604.99x = 27,054.78 × 10,652.51
  4. Step 4: Simplify right side
    19,604.99x = 288,201,314.50
  5. Step 5: Solve for x
    x = 288,201,314.50/19,604.99
  6. Step 6: Final answer
    x = 14,700.41

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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.