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Finding the Fourth Proportional to 6,582.79, 9,865.45 and 2,880.99

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Solution

The fourth proportional to 6,582.79, 9,865.45 and 2,880.99 is: 4,317.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,582.79 : 9,865.45 = 2,880.99 : x
  2. Step 2: Convert to fraction form
    6,582.79/9,865.45 = 2,880.99/x
  3. Step 3: Cross multiply
    6,582.79x = 9,865.45 × 2,880.99
  4. Step 4: Simplify right side
    6,582.79x = 28,422,238.13
  5. Step 5: Solve for x
    x = 28,422,238.13/6,582.79
  6. Step 6: Final answer
    x = 4,317.66

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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.