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Finding the Fourth Proportional to 11,905.03, 17,860.04 and 4,509.32

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Solution

The fourth proportional to 11,905.03, 17,860.04 and 4,509.32 is: 6,764.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,905.03 : 17,860.04 = 4,509.32 : x
  2. Step 2: Convert to fraction form
    11,905.03/17,860.04 = 4,509.32/x
  3. Step 3: Cross multiply
    11,905.03x = 17,860.04 × 4,509.32
  4. Step 4: Simplify right side
    11,905.03x = 80,536,613.03
  5. Step 5: Solve for x
    x = 80,536,613.03/11,905.03
  6. Step 6: Final answer
    x = 6,764.93

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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.