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Finding the Fourth Proportional to 30,373.56, 41,916.34 and 19,041.99

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Solution

The fourth proportional to 30,373.56, 41,916.34 and 19,041.99 is: 26,278.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,373.56 : 41,916.34 = 19,041.99 : x
  2. Step 2: Convert to fraction form
    30,373.56/41,916.34 = 19,041.99/x
  3. Step 3: Cross multiply
    30,373.56x = 41,916.34 × 19,041.99
  4. Step 4: Simplify right side
    30,373.56x = 798,170,593.81
  5. Step 5: Solve for x
    x = 798,170,593.81/30,373.56
  6. Step 6: Final answer
    x = 26,278.47

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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.