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Finding the Fourth Proportional to 2,053.08, 3,080.65 and 957.53

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Solution

The fourth proportional to 2,053.08, 3,080.65 and 957.53 is: 1,436.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,053.08 : 3,080.65 = 957.53 : x
  2. Step 2: Convert to fraction form
    2,053.08/3,080.65 = 957.53/x
  3. Step 3: Cross multiply
    2,053.08x = 3,080.65 × 957.53
  4. Step 4: Simplify right side
    2,053.08x = 2,949,794.60
  5. Step 5: Solve for x
    x = 2,949,794.60/2,053.08
  6. Step 6: Final answer
    x = 1,436.77

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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.