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Finding the Fourth Proportional to 39,893.34, 59,852.14 and 18,849.54

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Solution

The fourth proportional to 39,893.34, 59,852.14 and 18,849.54 is: 28,280.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,893.34 : 59,852.14 = 18,849.54 : x
  2. Step 2: Convert to fraction form
    39,893.34/59,852.14 = 18,849.54/x
  3. Step 3: Cross multiply
    39,893.34x = 59,852.14 × 18,849.54
  4. Step 4: Simplify right side
    39,893.34x = 1,128,185,307.02
  5. Step 5: Solve for x
    x = 1,128,185,307.02/39,893.34
  6. Step 6: Final answer
    x = 28,280.04

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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.