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Finding the Fourth Proportional to 9,995.46, 14,987.04 and 6,879.25

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Solution

The fourth proportional to 9,995.46, 14,987.04 and 6,879.25 is: 10,314.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,995.46 : 14,987.04 = 6,879.25 : x
  2. Step 2: Convert to fraction form
    9,995.46/14,987.04 = 6,879.25/x
  3. Step 3: Cross multiply
    9,995.46x = 14,987.04 × 6,879.25
  4. Step 4: Simplify right side
    9,995.46x = 103,099,594.92
  5. Step 5: Solve for x
    x = 103,099,594.92/9,995.46
  6. Step 6: Final answer
    x = 10,314.64

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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.