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Finding the Fourth Proportional to 30,572.73, 45,850.02 and 11,848.59

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Solution

The fourth proportional to 30,572.73, 45,850.02 and 11,848.59 is: 17,769.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,572.73 : 45,850.02 = 11,848.59 : x
  2. Step 2: Convert to fraction form
    30,572.73/45,850.02 = 11,848.59/x
  3. Step 3: Cross multiply
    30,572.73x = 45,850.02 × 11,848.59
  4. Step 4: Simplify right side
    30,572.73x = 543,258,088.47
  5. Step 5: Solve for x
    x = 543,258,088.47/30,572.73
  6. Step 6: Final answer
    x = 17,769.37

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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.