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Finding the Fourth Proportional to 30,258.50, 45,388.83 and 8,073.14

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Solution

The fourth proportional to 30,258.50, 45,388.83 and 8,073.14 is: 12,110.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,258.50 : 45,388.83 = 8,073.14 : x
  2. Step 2: Convert to fraction form
    30,258.50/45,388.83 = 8,073.14/x
  3. Step 3: Cross multiply
    30,258.50x = 45,388.83 × 8,073.14
  4. Step 4: Simplify right side
    30,258.50x = 366,430,379.03
  5. Step 5: Solve for x
    x = 366,430,379.03/30,258.50
  6. Step 6: Final answer
    x = 12,110.00

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1.5x scale

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.