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Finding the Fourth Proportional to 5,670.84, 8,506.50 and 1,775.16

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Solution

The fourth proportional to 5,670.84, 8,506.50 and 1,775.16 is: 2,662.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,670.84 : 8,506.50 = 1,775.16 : x
  2. Step 2: Convert to fraction form
    5,670.84/8,506.50 = 1,775.16/x
  3. Step 3: Cross multiply
    5,670.84x = 8,506.50 × 1,775.16
  4. Step 4: Simplify right side
    5,670.84x = 15,100,398.54
  5. Step 5: Solve for x
    x = 15,100,398.54/5,670.84
  6. Step 6: Final answer
    x = 2,662.82

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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.