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Finding the Fourth Proportional to 5,762.76, 8,644.32 and 2,064.84

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Solution

The fourth proportional to 5,762.76, 8,644.32 and 2,064.84 is: 3,097.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,762.76 : 8,644.32 = 2,064.84 : x
  2. Step 2: Convert to fraction form
    5,762.76/8,644.32 = 2,064.84/x
  3. Step 3: Cross multiply
    5,762.76x = 8,644.32 × 2,064.84
  4. Step 4: Simplify right side
    5,762.76x = 17,849,137.71
  5. Step 5: Solve for x
    x = 17,849,137.71/5,762.76
  6. Step 6: Final answer
    x = 3,097.32

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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.