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Finding the Fourth Proportional to 1,576.03, 2,363.64 and 957.60

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Solution

The fourth proportional to 1,576.03, 2,363.64 and 957.60 is: 1,436.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576.03 : 2,363.64 = 957.60 : x
  2. Step 2: Convert to fraction form
    1,576.03/2,363.64 = 957.60/x
  3. Step 3: Cross multiply
    1,576.03x = 2,363.64 × 957.60
  4. Step 4: Simplify right side
    1,576.03x = 2,263,421.66
  5. Step 5: Solve for x
    x = 2,263,421.66/1,576.03
  6. Step 6: Final answer
    x = 1,436.15

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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.