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Finding the Fourth Proportional to 957.35, 1,436.74 and 895.19

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Solution

The fourth proportional to 957.35, 1,436.74 and 895.19 is: 1,343.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    957.35 : 1,436.74 = 895.19 : x
  2. Step 2: Convert to fraction form
    957.35/1,436.74 = 895.19/x
  3. Step 3: Cross multiply
    957.35x = 1,436.74 × 895.19
  4. Step 4: Simplify right side
    957.35x = 1,286,145.86
  5. Step 5: Solve for x
    x = 1,286,145.86/957.35
  6. Step 6: Final answer
    x = 1,343.44

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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.