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Finding the Fourth Proportional to 29,987.93, 44,981.96 and 7,801.27

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Solution

The fourth proportional to 29,987.93, 44,981.96 and 7,801.27 is: 11,701.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,987.93 : 44,981.96 = 7,801.27 : x
  2. Step 2: Convert to fraction form
    29,987.93/44,981.96 = 7,801.27/x
  3. Step 3: Cross multiply
    29,987.93x = 44,981.96 × 7,801.27
  4. Step 4: Simplify right side
    29,987.93x = 350,916,376.08
  5. Step 5: Solve for x
    x = 350,916,376.08/29,987.93
  6. Step 6: Final answer
    x = 11,701.92

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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.