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Finding the Fourth Proportional to 29,053.94, 43,580.30 and 7,993.89

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Solution

The fourth proportional to 29,053.94, 43,580.30 and 7,993.89 is: 11,990.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,053.94 : 43,580.30 = 7,993.89 : x
  2. Step 2: Convert to fraction form
    29,053.94/43,580.30 = 7,993.89/x
  3. Step 3: Cross multiply
    29,053.94x = 43,580.30 × 7,993.89
  4. Step 4: Simplify right side
    29,053.94x = 348,376,084.40
  5. Step 5: Solve for x
    x = 348,376,084.40/29,053.94
  6. Step 6: Final answer
    x = 11,990.67

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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.