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Finding the Fourth Proportional to 6,648,417.49, 9,972,924.81 and 2,037,065.80

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Solution

The fourth proportional to 6,648,417.49, 9,972,924.81 and 2,037,065.80 is: 3,055,690.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,648,417.49 : 9,972,924.81 = 2,037,065.80 : x
  2. Step 2: Convert to fraction form
    6,648,417.49/9,972,924.81 = 2,037,065.80/x
  3. Step 3: Cross multiply
    6,648,417.49x = 9,972,924.81 × 2,037,065.80
  4. Step 4: Simplify right side
    6,648,417.49x = 20,315,504,056,422.50
  5. Step 5: Solve for x
    x = 20,315,504,056,422.50/6,648,417.49
  6. Step 6: Final answer
    x = 3,055,690.18

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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.