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Finding the Fourth Proportional to 27,365.12, 37,763.88 and 14,789.88

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Solution

The fourth proportional to 27,365.12, 37,763.88 and 14,789.88 is: 20,410.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,365.12 : 37,763.88 = 14,789.88 : x
  2. Step 2: Convert to fraction form
    27,365.12/37,763.88 = 14,789.88/x
  3. Step 3: Cross multiply
    27,365.12x = 37,763.88 × 14,789.88
  4. Step 4: Simplify right side
    27,365.12x = 558,523,253.53
  5. Step 5: Solve for x
    x = 558,523,253.53/27,365.12
  6. Step 6: Final answer
    x = 20,410.04

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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.