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Finding the Fourth Proportional to 54,573.46, 81,873.80 and 19,035.28

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Solution

The fourth proportional to 54,573.46, 81,873.80 and 19,035.28 is: 28,557.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,573.46 : 81,873.80 = 19,035.28 : x
  2. Step 2: Convert to fraction form
    54,573.46/81,873.80 = 19,035.28/x
  3. Step 3: Cross multiply
    54,573.46x = 81,873.80 × 19,035.28
  4. Step 4: Simplify right side
    54,573.46x = 1,558,490,707.66
  5. Step 5: Solve for x
    x = 1,558,490,707.66/54,573.46
  6. Step 6: Final answer
    x = 28,557.67

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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.