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Finding the Fourth Proportional to 17,702,978.85, 26,554,468.28 and 17,702,978.85

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Solution

The fourth proportional to 17,702,978.85, 26,554,468.28 and 17,702,978.85 is: 26,554,468.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,702,978.85 : 26,554,468.28 = 17,702,978.85 : x
  2. Step 2: Convert to fraction form
    17,702,978.85/26,554,468.28 = 17,702,978.85/x
  3. Step 3: Cross multiply
    17,702,978.85x = 26,554,468.28 × 17,702,978.85
  4. Step 4: Simplify right side
    17,702,978.85x = 470,093,190,333,835.94
  5. Step 5: Solve for x
    x = 470,093,190,333,835.94/17,702,978.85
  6. Step 6: Final answer
    x = 26,554,468.28

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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.