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Finding the Fourth Proportional to 11,798.10, 17,698.37 and 4,400.60

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Solution

The fourth proportional to 11,798.10, 17,698.37 and 4,400.60 is: 6,601.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,798.10 : 17,698.37 = 4,400.60 : x
  2. Step 2: Convert to fraction form
    11,798.10/17,698.37 = 4,400.60/x
  3. Step 3: Cross multiply
    11,798.10x = 17,698.37 × 4,400.60
  4. Step 4: Simplify right side
    11,798.10x = 77,883,336.53
  5. Step 5: Solve for x
    x = 77,883,336.53/11,798.10
  6. Step 6: Final answer
    x = 6,601.35

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1.5x scale

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.