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Finding the Fourth Proportional to 6,525, 9,788.94 and 2,421

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Solution

The fourth proportional to 6,525, 9,788.94 and 2,421 is: 3,632.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,525 : 9,788.94 = 2,421 : x
  2. Step 2: Convert to fraction form
    6,525/9,788.94 = 2,421/x
  3. Step 3: Cross multiply
    6,525x = 9,788.94 × 2,421
  4. Step 4: Simplify right side
    6,525x = 23,699,023.74
  5. Step 5: Solve for x
    x = 23,699,023.74/6,525
  6. Step 6: Final answer
    x = 3,632.03

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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.