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Finding the Fourth Proportional to 17,162,706.80, 25,706,735.40 and 10,419,359.60

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Solution

The fourth proportional to 17,162,706.80, 25,706,735.40 and 10,419,359.60 is: 15,606,379.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,162,706.80 : 25,706,735.40 = 10,419,359.60 : x
  2. Step 2: Convert to fraction form
    17,162,706.80/25,706,735.40 = 10,419,359.60/x
  3. Step 3: Cross multiply
    17,162,706.80x = 25,706,735.40 × 10,419,359.60
  4. Step 4: Simplify right side
    17,162,706.80x = 267,847,720,274,649.81
  5. Step 5: Solve for x
    x = 267,847,720,274,649.81/17,162,706.80
  6. Step 6: Final answer
    x = 15,606,379.77

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1.5x scale

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.