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Finding the Fourth Proportional to 3,440,672.00, 4,748,205.41 and 1,892,019.71

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Solution

The fourth proportional to 3,440,672.00, 4,748,205.41 and 1,892,019.71 is: 2,611,030.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440,672.00 : 4,748,205.41 = 1,892,019.71 : x
  2. Step 2: Convert to fraction form
    3,440,672.00/4,748,205.41 = 1,892,019.71/x
  3. Step 3: Cross multiply
    3,440,672.00x = 4,748,205.41 × 1,892,019.71
  4. Step 4: Simplify right side
    3,440,672.00x = 8,983,698,192,012.53
  5. Step 5: Solve for x
    x = 8,983,698,192,012.53/3,440,672.00
  6. Step 6: Final answer
    x = 2,611,030.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.