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Finding the Fourth Proportional to 4,507.85, 6,764.19 and 1,877.16

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Solution

The fourth proportional to 4,507.85, 6,764.19 and 1,877.16 is: 2,816.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,507.85 : 6,764.19 = 1,877.16 : x
  2. Step 2: Convert to fraction form
    4,507.85/6,764.19 = 1,877.16/x
  3. Step 3: Cross multiply
    4,507.85x = 6,764.19 × 1,877.16
  4. Step 4: Simplify right side
    4,507.85x = 12,697,466.90
  5. Step 5: Solve for x
    x = 12,697,466.90/4,507.85
  6. Step 6: Final answer
    x = 2,816.75

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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.