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Finding the Fourth Proportional to 6,897,163.40, 10,345,745.10 and 6,897,163.40

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Solution

The fourth proportional to 6,897,163.40, 10,345,745.10 and 6,897,163.40 is: 10,345,745.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897,163.40 : 10,345,745.10 = 6,897,163.40 : x
  2. Step 2: Convert to fraction form
    6,897,163.40/10,345,745.10 = 6,897,163.40/x
  3. Step 3: Cross multiply
    6,897,163.40x = 10,345,745.10 × 6,897,163.40
  4. Step 4: Simplify right side
    6,897,163.40x = 71,356,294,449,449.34
  5. Step 5: Solve for x
    x = 71,356,294,449,449.34/6,897,163.40
  6. Step 6: Final answer
    x = 10,345,745.10

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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.