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Finding the Fourth Proportional to 17,804,517.60, 26,706,776.40 and 6,440,865.60

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Solution

The fourth proportional to 17,804,517.60, 26,706,776.40 and 6,440,865.60 is: 9,661,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,804,517.60 : 26,706,776.40 = 6,440,865.60 : x
  2. Step 2: Convert to fraction form
    17,804,517.60/26,706,776.40 = 6,440,865.60/x
  3. Step 3: Cross multiply
    17,804,517.60x = 26,706,776.40 × 6,440,865.60
  4. Step 4: Simplify right side
    17,804,517.60x = 172,014,757,401,651.81
  5. Step 5: Solve for x
    x = 172,014,757,401,651.81/17,804,517.60
  6. Step 6: Final answer
    x = 9,661,298.40

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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.