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Finding the Fourth Proportional to 1,576.80, 2,366.96 and 1,000

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Solution

The fourth proportional to 1,576.80, 2,366.96 and 1,000 is: 1,501.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576.80 : 2,366.96 = 1,000 : x
  2. Step 2: Convert to fraction form
    1,576.80/2,366.96 = 1,000/x
  3. Step 3: Cross multiply
    1,576.80x = 2,366.96 × 1,000
  4. Step 4: Simplify right side
    1,576.80x = 2,366,960
  5. Step 5: Solve for x
    x = 2,366,960/1,576.80
  6. Step 6: Final answer
    x = 1,501.12

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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.