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Finding the Fourth Proportional to 7,969.93, 10,998.50 and 4,433.06

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Solution

The fourth proportional to 7,969.93, 10,998.50 and 4,433.06 is: 6,117.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,969.93 : 10,998.50 = 4,433.06 : x
  2. Step 2: Convert to fraction form
    7,969.93/10,998.50 = 4,433.06/x
  3. Step 3: Cross multiply
    7,969.93x = 10,998.50 × 4,433.06
  4. Step 4: Simplify right side
    7,969.93x = 48,757,015.74
  5. Step 5: Solve for x
    x = 48,757,015.74/7,969.93
  6. Step 6: Final answer
    x = 6,117.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.