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Finding the Fourth Proportional to 6,648,407.70, 9,972,910.19 and 2,037,056.01

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Solution

The fourth proportional to 6,648,407.70, 9,972,910.19 and 2,037,056.01 is: 3,055,675.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,648,407.70 : 9,972,910.19 = 2,037,056.01 : x
  2. Step 2: Convert to fraction form
    6,648,407.70/9,972,910.19 = 2,037,056.01/x
  3. Step 3: Cross multiply
    6,648,407.70x = 9,972,910.19 × 2,037,056.01
  4. Step 4: Simplify right side
    6,648,407.70x = 20,315,376,639,729.74
  5. Step 5: Solve for x
    x = 20,315,376,639,729.74/6,648,407.70
  6. Step 6: Final answer
    x = 3,055,675.52

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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.