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Finding the Fourth Proportional to 7,004, 9,666.94 and 4,021.89

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Solution

The fourth proportional to 7,004, 9,666.94 and 4,021.89 is: 5,551.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,004 : 9,666.94 = 4,021.89 : x
  2. Step 2: Convert to fraction form
    7,004/9,666.94 = 4,021.89/x
  3. Step 3: Cross multiply
    7,004x = 9,666.94 × 4,021.89
  4. Step 4: Simplify right side
    7,004x = 38,879,369.32
  5. Step 5: Solve for x
    x = 38,879,369.32/7,004
  6. Step 6: Final answer
    x = 5,551.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.