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Finding the Fourth Proportional to 27,390.00, 37,799.93 and 15,448.98

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Solution

The fourth proportional to 27,390.00, 37,799.93 and 15,448.98 is: 21,320.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,390.00 : 37,799.93 = 15,448.98 : x
  2. Step 2: Convert to fraction form
    27,390.00/37,799.93 = 15,448.98/x
  3. Step 3: Cross multiply
    27,390.00x = 37,799.93 × 15,448.98
  4. Step 4: Simplify right side
    27,390.00x = 583,970,190.83
  5. Step 5: Solve for x
    x = 583,970,190.83/27,390.00
  6. Step 6: Final answer
    x = 21,320.56

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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.