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Finding the Fourth Proportional to 2,975.64, 4,463.68 and 895.48

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Solution

The fourth proportional to 2,975.64, 4,463.68 and 895.48 is: 1,343.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.64 : 4,463.68 = 895.48 : x
  2. Step 2: Convert to fraction form
    2,975.64/4,463.68 = 895.48/x
  3. Step 3: Cross multiply
    2,975.64x = 4,463.68 × 895.48
  4. Step 4: Simplify right side
    2,975.64x = 3,997,109.37
  5. Step 5: Solve for x
    x = 3,997,109.37/2,975.64
  6. Step 6: Final answer
    x = 1,343.28

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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.