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Finding the Fourth Proportional to 11,950.76, 17,926.07 and 4,159.50

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Solution

The fourth proportional to 11,950.76, 17,926.07 and 4,159.50 is: 6,239.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,950.76 : 17,926.07 = 4,159.50 : x
  2. Step 2: Convert to fraction form
    11,950.76/17,926.07 = 4,159.50/x
  3. Step 3: Cross multiply
    11,950.76x = 17,926.07 × 4,159.50
  4. Step 4: Simplify right side
    11,950.76x = 74,563,467.37
  5. Step 5: Solve for x
    x = 74,563,467.37/11,950.76
  6. Step 6: Final answer
    x = 6,239.23

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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.