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Finding the Fourth Proportional to 1,454.32, 2,006.01 and 957.58

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Solution

The fourth proportional to 1,454.32, 2,006.01 and 957.58 is: 1,320.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.32 : 2,006.01 = 957.58 : x
  2. Step 2: Convert to fraction form
    1,454.32/2,006.01 = 957.58/x
  3. Step 3: Cross multiply
    1,454.32x = 2,006.01 × 957.58
  4. Step 4: Simplify right side
    1,454.32x = 1,920,915.06
  5. Step 5: Solve for x
    x = 1,920,915.06/1,454.32
  6. Step 6: Final answer
    x = 1,320.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.