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Finding the Fourth Proportional to 27,894.77, 38,493.87 and 19,950.29

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Solution

The fourth proportional to 27,894.77, 38,493.87 and 19,950.29 is: 27,530.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,894.77 : 38,493.87 = 19,950.29 : x
  2. Step 2: Convert to fraction form
    27,894.77/38,493.87 = 19,950.29/x
  3. Step 3: Cross multiply
    27,894.77x = 38,493.87 × 19,950.29
  4. Step 4: Simplify right side
    27,894.77x = 767,963,869.72
  5. Step 5: Solve for x
    x = 767,963,869.72/27,894.77
  6. Step 6: Final answer
    x = 27,530.75

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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.