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Finding the Fourth Proportional to 15,994.57, 23,990.99 and 4,901.29

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Solution

The fourth proportional to 15,994.57, 23,990.99 and 4,901.29 is: 7,351.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,994.57 : 23,990.99 = 4,901.29 : x
  2. Step 2: Convert to fraction form
    15,994.57/23,990.99 = 4,901.29/x
  3. Step 3: Cross multiply
    15,994.57x = 23,990.99 × 4,901.29
  4. Step 4: Simplify right side
    15,994.57x = 117,586,782.37
  5. Step 5: Solve for x
    x = 117,586,782.37/15,994.57
  6. Step 6: Final answer
    x = 7,351.67

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Double scale
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Similar ratio
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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.