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Finding the Fourth Proportional to 1,252.88, 1,880.98 and 1,006.24

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Solution

The fourth proportional to 1,252.88, 1,880.98 and 1,006.24 is: 1,510.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252.88 : 1,880.98 = 1,006.24 : x
  2. Step 2: Convert to fraction form
    1,252.88/1,880.98 = 1,006.24/x
  3. Step 3: Cross multiply
    1,252.88x = 1,880.98 × 1,006.24
  4. Step 4: Simplify right side
    1,252.88x = 1,892,717.32
  5. Step 5: Solve for x
    x = 1,892,717.32/1,252.88
  6. Step 6: Final answer
    x = 1,510.69

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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.