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Finding the Fourth Proportional to 28,804.52, 39,748.86 and 16,059.11

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Solution

The fourth proportional to 28,804.52, 39,748.86 and 16,059.11 is: 22,160.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,804.52 : 39,748.86 = 16,059.11 : x
  2. Step 2: Convert to fraction form
    28,804.52/39,748.86 = 16,059.11/x
  3. Step 3: Cross multiply
    28,804.52x = 39,748.86 × 16,059.11
  4. Step 4: Simplify right side
    28,804.52x = 638,331,116.37
  5. Step 5: Solve for x
    x = 638,331,116.37/28,804.52
  6. Step 6: Final answer
    x = 22,160.79

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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.