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Finding the Fourth Proportional to 7,159.05, 10,736.00 and 2,477.79

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Solution

The fourth proportional to 7,159.05, 10,736.00 and 2,477.79 is: 3,715.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.05 : 10,736.00 = 2,477.79 : x
  2. Step 2: Convert to fraction form
    7,159.05/10,736.00 = 2,477.79/x
  3. Step 3: Cross multiply
    7,159.05x = 10,736.00 × 2,477.79
  4. Step 4: Simplify right side
    7,159.05x = 26,601,559.63
  5. Step 5: Solve for x
    x = 26,601,559.63/7,159.05
  6. Step 6: Final answer
    x = 3,715.79

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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.