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Finding the Fourth Proportional to 8,713.08, 13,062.27 and 3,779.00

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Solution

The fourth proportional to 8,713.08, 13,062.27 and 3,779.00 is: 5,665.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713.08 : 13,062.27 = 3,779.00 : x
  2. Step 2: Convert to fraction form
    8,713.08/13,062.27 = 3,779.00/x
  3. Step 3: Cross multiply
    8,713.08x = 13,062.27 × 3,779.00
  4. Step 4: Simplify right side
    8,713.08x = 49,362,313.29
  5. Step 5: Solve for x
    x = 49,362,313.29/8,713.08
  6. Step 6: Final answer
    x = 5,665.31

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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.