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Finding the Fourth Proportional to 29,504.96, 40,696.53 and 18,889.81

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Solution

The fourth proportional to 29,504.96, 40,696.53 and 18,889.81 is: 26,054.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,504.96 : 40,696.53 = 18,889.81 : x
  2. Step 2: Convert to fraction form
    29,504.96/40,696.53 = 18,889.81/x
  3. Step 3: Cross multiply
    29,504.96x = 40,696.53 × 18,889.81
  4. Step 4: Simplify right side
    29,504.96x = 768,749,546.78
  5. Step 5: Solve for x
    x = 768,749,546.78/29,504.96
  6. Step 6: Final answer
    x = 26,054.93

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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.