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Finding the Fourth Proportional to 29,376.86, 44,079.87 and 18,852.53

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Solution

The fourth proportional to 29,376.86, 44,079.87 and 18,852.53 is: 28,288.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,376.86 : 44,079.87 = 18,852.53 : x
  2. Step 2: Convert to fraction form
    29,376.86/44,079.87 = 18,852.53/x
  3. Step 3: Cross multiply
    29,376.86x = 44,079.87 × 18,852.53
  4. Step 4: Simplify right side
    29,376.86x = 831,016,851.17
  5. Step 5: Solve for x
    x = 831,016,851.17/29,376.86
  6. Step 6: Final answer
    x = 28,288.15

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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.