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Finding the Fourth Proportional to 6,054,496.80, 9,065,998.80 and 3,912,986.40

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Solution

The fourth proportional to 6,054,496.80, 9,065,998.80 and 3,912,986.40 is: 5,859,302.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,054,496.80 : 9,065,998.80 = 3,912,986.40 : x
  2. Step 2: Convert to fraction form
    6,054,496.80/9,065,998.80 = 3,912,986.40/x
  3. Step 3: Cross multiply
    6,054,496.80x = 9,065,998.80 × 3,912,986.40
  4. Step 4: Simplify right side
    6,054,496.80x = 35,475,130,006,816.32
  5. Step 5: Solve for x
    x = 35,475,130,006,816.32/6,054,496.80
  6. Step 6: Final answer
    x = 5,859,302.79

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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.