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Finding the Fourth Proportional to 7,059.96, 10,590.03 and 1,865.79

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Solution

The fourth proportional to 7,059.96, 10,590.03 and 1,865.79 is: 2,798.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,059.96 : 10,590.03 = 1,865.79 : x
  2. Step 2: Convert to fraction form
    7,059.96/10,590.03 = 1,865.79/x
  3. Step 3: Cross multiply
    7,059.96x = 10,590.03 × 1,865.79
  4. Step 4: Simplify right side
    7,059.96x = 19,758,772.07
  5. Step 5: Solve for x
    x = 19,758,772.07/7,059.96
  6. Step 6: Final answer
    x = 2,798.71

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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.