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Finding the Fourth Proportional to 35,683,310.80, 53,524,966.20 and 11,745,672.40

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Solution

The fourth proportional to 35,683,310.80, 53,524,966.20 and 11,745,672.40 is: 17,618,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,683,310.80 : 53,524,966.20 = 11,745,672.40 : x
  2. Step 2: Convert to fraction form
    35,683,310.80/53,524,966.20 = 11,745,672.40/x
  3. Step 3: Cross multiply
    35,683,310.80x = 53,524,966.20 × 11,745,672.40
  4. Step 4: Simplify right side
    35,683,310.80x = 628,686,718,206,272.88
  5. Step 5: Solve for x
    x = 628,686,718,206,272.88/35,683,310.80
  6. Step 6: Final answer
    x = 17,618,508.60

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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.