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Finding the Fourth Proportional to 10,651,872.10, 15,977,808.15 and 10,651,872.10

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Solution

The fourth proportional to 10,651,872.10, 15,977,808.15 and 10,651,872.10 is: 15,977,808.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,651,872.10 : 15,977,808.15 = 10,651,872.10 : x
  2. Step 2: Convert to fraction form
    10,651,872.10/15,977,808.15 = 10,651,872.10/x
  3. Step 3: Cross multiply
    10,651,872.10x = 15,977,808.15 × 10,651,872.10
  4. Step 4: Simplify right side
    10,651,872.10x = 170,193,568,852,137.62
  5. Step 5: Solve for x
    x = 170,193,568,852,137.62/10,651,872.10
  6. Step 6: Final answer
    x = 15,977,808.15

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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.