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Finding the Fourth Proportional to 5,289.65, 7,923.32 and 4,244.00

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Solution

The fourth proportional to 5,289.65, 7,923.32 and 4,244.00 is: 6,357.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.65 : 7,923.32 = 4,244.00 : x
  2. Step 2: Convert to fraction form
    5,289.65/7,923.32 = 4,244.00/x
  3. Step 3: Cross multiply
    5,289.65x = 7,923.32 × 4,244.00
  4. Step 4: Simplify right side
    5,289.65x = 33,626,525.16
  5. Step 5: Solve for x
    x = 33,626,525.16/5,289.65
  6. Step 6: Final answer
    x = 6,357.04

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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.