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Finding the Fourth Proportional to 4,782.29, 7,178.00 and 2,937.00

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Solution

The fourth proportional to 4,782.29, 7,178.00 and 2,937.00 is: 4,408.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782.29 : 7,178.00 = 2,937.00 : x
  2. Step 2: Convert to fraction form
    4,782.29/7,178.00 = 2,937.00/x
  3. Step 3: Cross multiply
    4,782.29x = 7,178.00 × 2,937.00
  4. Step 4: Simplify right side
    4,782.29x = 21,081,798.23
  5. Step 5: Solve for x
    x = 21,081,798.23/4,782.29
  6. Step 6: Final answer
    x = 4,408.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.