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Finding the Fourth Proportional to 8,875.41, 13,308.81 and 3,174.46

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Solution

The fourth proportional to 8,875.41, 13,308.81 and 3,174.46 is: 4,760.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,875.41 : 13,308.81 = 3,174.46 : x
  2. Step 2: Convert to fraction form
    8,875.41/13,308.81 = 3,174.46/x
  3. Step 3: Cross multiply
    8,875.41x = 13,308.81 × 3,174.46
  4. Step 4: Simplify right side
    8,875.41x = 42,248,239.82
  5. Step 5: Solve for x
    x = 42,248,239.82/8,875.41
  6. Step 6: Final answer
    x = 4,760.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.