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Finding the Fourth Proportional to 5,610,935.72, 7,742,936 and 3,163,525.06

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Solution

The fourth proportional to 5,610,935.72, 7,742,936 and 3,163,525.06 is: 4,365,577.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,610,935.72 : 7,742,936 = 3,163,525.06 : x
  2. Step 2: Convert to fraction form
    5,610,935.72/7,742,936 = 3,163,525.06/x
  3. Step 3: Cross multiply
    5,610,935.72x = 7,742,936 × 3,163,525.06
  4. Step 4: Simplify right side
    5,610,935.72x = 24,494,972,073,976.16
  5. Step 5: Solve for x
    x = 24,494,972,073,976.16/5,610,935.72
  6. Step 6: Final answer
    x = 4,365,577.03

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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.