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Finding the Fourth Proportional to 17,474,671.20, 26,212,006.80 and 9,821,920.80

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Solution

The fourth proportional to 17,474,671.20, 26,212,006.80 and 9,821,920.80 is: 14,732,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,474,671.20 : 26,212,006.80 = 9,821,920.80 : x
  2. Step 2: Convert to fraction form
    17,474,671.20/26,212,006.80 = 9,821,920.80/x
  3. Step 3: Cross multiply
    17,474,671.20x = 26,212,006.80 × 9,821,920.80
  4. Step 4: Simplify right side
    17,474,671.20x = 257,452,254,798,661.47
  5. Step 5: Solve for x
    x = 257,452,254,798,661.47/17,474,671.20
  6. Step 6: Final answer
    x = 14,732,881.20

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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.