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Finding the Fourth Proportional to 8,798,508.42, 13,198,611.06 and 2,731,611.21

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Solution

The fourth proportional to 8,798,508.42, 13,198,611.06 and 2,731,611.21 is: 4,097,680.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798,508.42 : 13,198,611.06 = 2,731,611.21 : x
  2. Step 2: Convert to fraction form
    8,798,508.42/13,198,611.06 = 2,731,611.21/x
  3. Step 3: Cross multiply
    8,798,508.42x = 13,198,611.06 × 2,731,611.21
  4. Step 4: Simplify right side
    8,798,508.42x = 36,053,473,927,925.98
  5. Step 5: Solve for x
    x = 36,053,473,927,925.98/8,798,508.42
  6. Step 6: Final answer
    x = 4,097,680.22

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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.