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Finding the Fourth Proportional to 29,992.11, 45,015.45 and 15,963.93

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Solution

The fourth proportional to 29,992.11, 45,015.45 and 15,963.93 is: 23,960.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,992.11 : 45,015.45 = 15,963.93 : x
  2. Step 2: Convert to fraction form
    29,992.11/45,015.45 = 15,963.93/x
  3. Step 3: Cross multiply
    29,992.11x = 45,015.45 × 15,963.93
  4. Step 4: Simplify right side
    29,992.11x = 718,623,492.72
  5. Step 5: Solve for x
    x = 718,623,492.72/29,992.11
  6. Step 6: Final answer
    x = 23,960.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.