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Finding the Fourth Proportional to 1,235.07, 1,700.46 and 1,048.29

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Solution

The fourth proportional to 1,235.07, 1,700.46 and 1,048.29 is: 1,443.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235.07 : 1,700.46 = 1,048.29 : x
  2. Step 2: Convert to fraction form
    1,235.07/1,700.46 = 1,048.29/x
  3. Step 3: Cross multiply
    1,235.07x = 1,700.46 × 1,048.29
  4. Step 4: Simplify right side
    1,235.07x = 1,782,575.21
  5. Step 5: Solve for x
    x = 1,782,575.21/1,235.07
  6. Step 6: Final answer
    x = 1,443.30

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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.