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Finding the Fourth Proportional to 27,553.51, 38,028 and 16,804.62

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Solution

The fourth proportional to 27,553.51, 38,028 and 16,804.62 is: 23,192.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,553.51 : 38,028 = 16,804.62 : x
  2. Step 2: Convert to fraction form
    27,553.51/38,028 = 16,804.62/x
  3. Step 3: Cross multiply
    27,553.51x = 38,028 × 16,804.62
  4. Step 4: Simplify right side
    27,553.51x = 639,046,089.36
  5. Step 5: Solve for x
    x = 639,046,089.36/27,553.51
  6. Step 6: Final answer
    x = 23,192.91

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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.