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Finding the Fourth Proportional to 17,607,230.40, 26,410,845.60 and 10,879,435.20

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Solution

The fourth proportional to 17,607,230.40, 26,410,845.60 and 10,879,435.20 is: 16,319,152.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,607,230.40 : 26,410,845.60 = 10,879,435.20 : x
  2. Step 2: Convert to fraction form
    17,607,230.40/26,410,845.60 = 10,879,435.20/x
  3. Step 3: Cross multiply
    17,607,230.40x = 26,410,845.60 × 10,879,435.20
  4. Step 4: Simplify right side
    17,607,230.40x = 287,335,083,282,405.12
  5. Step 5: Solve for x
    x = 287,335,083,282,405.12/17,607,230.40
  6. Step 6: Final answer
    x = 16,319,152.80

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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.