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Finding the Fourth Proportional to 49,992.71, 68,987.16 and 27,327.20

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Solution

The fourth proportional to 49,992.71, 68,987.16 and 27,327.20 is: 37,710.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,992.71 : 68,987.16 = 27,327.20 : x
  2. Step 2: Convert to fraction form
    49,992.71/68,987.16 = 27,327.20/x
  3. Step 3: Cross multiply
    49,992.71x = 68,987.16 × 27,327.20
  4. Step 4: Simplify right side
    49,992.71x = 1,885,225,573.82
  5. Step 5: Solve for x
    x = 1,885,225,573.82/49,992.71
  6. Step 6: Final answer
    x = 37,710.01

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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.