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Finding the Fourth Proportional to 27,564.93, 38,043.47 and 19,932.99

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Solution

The fourth proportional to 27,564.93, 38,043.47 and 19,932.99 is: 27,510.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,564.93 : 38,043.47 = 19,932.99 : x
  2. Step 2: Convert to fraction form
    27,564.93/38,043.47 = 19,932.99/x
  3. Step 3: Cross multiply
    27,564.93x = 38,043.47 × 19,932.99
  4. Step 4: Simplify right side
    27,564.93x = 758,320,007.41
  5. Step 5: Solve for x
    x = 758,320,007.41/27,564.93
  6. Step 6: Final answer
    x = 27,510.32

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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.