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Finding the Fourth Proportional to 28,804.43, 43,208.00 and 9,084.51

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Solution

The fourth proportional to 28,804.43, 43,208.00 and 9,084.51 is: 13,627.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,804.43 : 43,208.00 = 9,084.51 : x
  2. Step 2: Convert to fraction form
    28,804.43/43,208.00 = 9,084.51/x
  3. Step 3: Cross multiply
    28,804.43x = 43,208.00 × 9,084.51
  4. Step 4: Simplify right side
    28,804.43x = 392,523,462.66
  5. Step 5: Solve for x
    x = 392,523,462.66/28,804.43
  6. Step 6: Final answer
    x = 13,627.19

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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.