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Finding the Fourth Proportional to 4,999.44, 7,499.16 and 1,536.72

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Solution

The fourth proportional to 4,999.44, 7,499.16 and 1,536.72 is: 2,305.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.44 : 7,499.16 = 1,536.72 : x
  2. Step 2: Convert to fraction form
    4,999.44/7,499.16 = 1,536.72/x
  3. Step 3: Cross multiply
    4,999.44x = 7,499.16 × 1,536.72
  4. Step 4: Simplify right side
    4,999.44x = 11,524,109.16
  5. Step 5: Solve for x
    x = 11,524,109.16/4,999.44
  6. Step 6: Final answer
    x = 2,305.08

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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.