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Finding the Fourth Proportional to 7,950.83, 11,926.49 and 3,999.93

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Solution

The fourth proportional to 7,950.83, 11,926.49 and 3,999.93 is: 6,000.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,950.83 : 11,926.49 = 3,999.93 : x
  2. Step 2: Convert to fraction form
    7,950.83/11,926.49 = 3,999.93/x
  3. Step 3: Cross multiply
    7,950.83x = 11,926.49 × 3,999.93
  4. Step 4: Simplify right side
    7,950.83x = 47,705,065.51
  5. Step 5: Solve for x
    x = 47,705,065.51/7,950.83
  6. Step 6: Final answer
    x = 6,000.01

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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.