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Finding the Fourth Proportional to 6,649,875.43, 9,974,812.84 and 3,058,662.87

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Solution

The fourth proportional to 6,649,875.43, 9,974,812.84 and 3,058,662.87 is: 4,587,994.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,649,875.43 : 9,974,812.84 = 3,058,662.87 : x
  2. Step 2: Convert to fraction form
    6,649,875.43/9,974,812.84 = 3,058,662.87/x
  3. Step 3: Cross multiply
    6,649,875.43x = 9,974,812.84 × 3,058,662.87
  4. Step 4: Simplify right side
    6,649,875.43x = 30,509,589,661,260.60
  5. Step 5: Solve for x
    x = 30,509,589,661,260.60/6,649,875.43
  6. Step 6: Final answer
    x = 4,587,994.17

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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.