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Finding the Fourth Proportional to 17,702,945.60, 26,554,418.40 and 17,451,003.20

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Solution

The fourth proportional to 17,702,945.60, 26,554,418.40 and 17,451,003.20 is: 26,176,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,702,945.60 : 26,554,418.40 = 17,451,003.20 : x
  2. Step 2: Convert to fraction form
    17,702,945.60/26,554,418.40 = 17,451,003.20/x
  3. Step 3: Cross multiply
    17,702,945.60x = 26,554,418.40 × 17,451,003.20
  4. Step 4: Simplify right side
    17,702,945.60x = 463,401,240,472,538.81
  5. Step 5: Solve for x
    x = 463,401,240,472,538.81/17,702,945.60
  6. Step 6: Final answer
    x = 26,176,504.80

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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.