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Finding the Fourth Proportional to 19,755.80, 27,262.62 and 10,803.27

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Solution

The fourth proportional to 19,755.80, 27,262.62 and 10,803.27 is: 14,908.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,755.80 : 27,262.62 = 10,803.27 : x
  2. Step 2: Convert to fraction form
    19,755.80/27,262.62 = 10,803.27/x
  3. Step 3: Cross multiply
    19,755.80x = 27,262.62 × 10,803.27
  4. Step 4: Simplify right side
    19,755.80x = 294,525,547.00
  5. Step 5: Solve for x
    x = 294,525,547.00/19,755.80
  6. Step 6: Final answer
    x = 14,908.31

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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.