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Finding the Fourth Proportional to 17,863,542.40, 26,795,313.60 and 17,714,243.20

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Solution

The fourth proportional to 17,863,542.40, 26,795,313.60 and 17,714,243.20 is: 26,571,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,863,542.40 : 26,795,313.60 = 17,714,243.20 : x
  2. Step 2: Convert to fraction form
    17,863,542.40/26,795,313.60 = 17,714,243.20/x
  3. Step 3: Cross multiply
    17,863,542.40x = 26,795,313.60 × 17,714,243.20
  4. Step 4: Simplify right side
    17,863,542.40x = 474,658,701,730,667.50
  5. Step 5: Solve for x
    x = 474,658,701,730,667.50/17,863,542.40
  6. Step 6: Final answer
    x = 26,571,364.80

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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.