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Finding the Fourth Proportional to 19,004.08, 28,507.08 and 5,865.44

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Solution

The fourth proportional to 19,004.08, 28,507.08 and 5,865.44 is: 8,798.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,004.08 : 28,507.08 = 5,865.44 : x
  2. Step 2: Convert to fraction form
    19,004.08/28,507.08 = 5,865.44/x
  3. Step 3: Cross multiply
    19,004.08x = 28,507.08 × 5,865.44
  4. Step 4: Simplify right side
    19,004.08x = 167,206,567.32
  5. Step 5: Solve for x
    x = 167,206,567.32/19,004.08
  6. Step 6: Final answer
    x = 8,798.46

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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.