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Finding the Fourth Proportional to 4,993,361.56, 6,897,893.34 and 3,973,461.40

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Solution

The fourth proportional to 4,993,361.56, 6,897,893.34 and 3,973,461.40 is: 5,488,990.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993,361.56 : 6,897,893.34 = 3,973,461.40 : x
  2. Step 2: Convert to fraction form
    4,993,361.56/6,897,893.34 = 3,973,461.40/x
  3. Step 3: Cross multiply
    4,993,361.56x = 6,897,893.34 × 3,973,461.40
  4. Step 4: Simplify right side
    4,993,361.56x = 27,408,512,927,807.07
  5. Step 5: Solve for x
    x = 27,408,512,927,807.07/4,993,361.56
  6. Step 6: Final answer
    x = 5,488,990.25

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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.