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Finding the Fourth Proportional to 7,007,145.94, 9,669,862.30 and 3,951,361.00

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Solution

The fourth proportional to 7,007,145.94, 9,669,862.30 and 3,951,361.00 is: 5,452,878.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007,145.94 : 9,669,862.30 = 3,951,361.00 : x
  2. Step 2: Convert to fraction form
    7,007,145.94/9,669,862.30 = 3,951,361.00/x
  3. Step 3: Cross multiply
    7,007,145.94x = 9,669,862.30 × 3,951,361.00
  4. Step 4: Simplify right side
    7,007,145.94x = 38,209,116,709,362.59
  5. Step 5: Solve for x
    x = 38,209,116,709,362.59/7,007,145.94
  6. Step 6: Final answer
    x = 5,452,878.68

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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.