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Finding the Fourth Proportional to 13,333.95, 18,400.95 and 8,032.29

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Solution

The fourth proportional to 13,333.95, 18,400.95 and 8,032.29 is: 11,084.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333.95 : 18,400.95 = 8,032.29 : x
  2. Step 2: Convert to fraction form
    13,333.95/18,400.95 = 8,032.29/x
  3. Step 3: Cross multiply
    13,333.95x = 18,400.95 × 8,032.29
  4. Step 4: Simplify right side
    13,333.95x = 147,801,766.68
  5. Step 5: Solve for x
    x = 147,801,766.68/13,333.95
  6. Step 6: Final answer
    x = 11,084.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.