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Finding the Fourth Proportional to 29,990.88, 44,951.76 and 21,547.98

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Solution

The fourth proportional to 29,990.88, 44,951.76 and 21,547.98 is: 32,297.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,990.88 : 44,951.76 = 21,547.98 : x
  2. Step 2: Convert to fraction form
    29,990.88/44,951.76 = 21,547.98/x
  3. Step 3: Cross multiply
    29,990.88x = 44,951.76 × 21,547.98
  4. Step 4: Simplify right side
    29,990.88x = 968,619,625.44
  5. Step 5: Solve for x
    x = 968,619,625.44/29,990.88
  6. Step 6: Final answer
    x = 32,297.14

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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.