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Finding the Fourth Proportional to 27,465.84, 37,904.31 and 17,390.61

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Solution

The fourth proportional to 27,465.84, 37,904.31 and 17,390.61 is: 23,999.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,465.84 : 37,904.31 = 17,390.61 : x
  2. Step 2: Convert to fraction form
    27,465.84/37,904.31 = 17,390.61/x
  3. Step 3: Cross multiply
    27,465.84x = 37,904.31 × 17,390.61
  4. Step 4: Simplify right side
    27,465.84x = 659,179,072.53
  5. Step 5: Solve for x
    x = 659,179,072.53/27,465.84
  6. Step 6: Final answer
    x = 23,999.96

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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.