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Finding the Fourth Proportional to 13,794,524.40, 20,691,786.60 and 6,602,356.20

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Solution

The fourth proportional to 13,794,524.40, 20,691,786.60 and 6,602,356.20 is: 9,903,534.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,794,524.40 : 20,691,786.60 = 6,602,356.20 : x
  2. Step 2: Convert to fraction form
    13,794,524.40/20,691,786.60 = 6,602,356.20/x
  3. Step 3: Cross multiply
    13,794,524.40x = 20,691,786.60 × 6,602,356.20
  4. Step 4: Simplify right side
    13,794,524.40x = 136,614,545,547,586.94
  5. Step 5: Solve for x
    x = 136,614,545,547,586.94/13,794,524.40
  6. Step 6: Final answer
    x = 9,903,534.30

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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.