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Finding the Fourth Proportional to 7,993.50, 11,030.90 and 4,456.62

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Solution

The fourth proportional to 7,993.50, 11,030.90 and 4,456.62 is: 6,150.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,993.50 : 11,030.90 = 4,456.62 : x
  2. Step 2: Convert to fraction form
    7,993.50/11,030.90 = 4,456.62/x
  3. Step 3: Cross multiply
    7,993.50x = 11,030.90 × 4,456.62
  4. Step 4: Simplify right side
    7,993.50x = 49,160,485.55
  5. Step 5: Solve for x
    x = 49,160,485.55/7,993.50
  6. Step 6: Final answer
    x = 6,150.06

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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.