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Finding the Fourth Proportional to 6,603,715.45, 9,257,798.75 and 6,603,715.45

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Solution

The fourth proportional to 6,603,715.45, 9,257,798.75 and 6,603,715.45 is: 9,257,798.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603,715.45 : 9,257,798.75 = 6,603,715.45 : x
  2. Step 2: Convert to fraction form
    6,603,715.45/9,257,798.75 = 6,603,715.45/x
  3. Step 3: Cross multiply
    6,603,715.45x = 9,257,798.75 × 6,603,715.45
  4. Step 4: Simplify right side
    6,603,715.45x = 61,135,868,638,365.69
  5. Step 5: Solve for x
    x = 61,135,868,638,365.69/6,603,715.45
  6. Step 6: Final answer
    x = 9,257,798.75

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.