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Finding the Fourth Proportional to 1,829.99, 2,525.07 and 1,043.89

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Solution

The fourth proportional to 1,829.99, 2,525.07 and 1,043.89 is: 1,440.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,829.99 : 2,525.07 = 1,043.89 : x
  2. Step 2: Convert to fraction form
    1,829.99/2,525.07 = 1,043.89/x
  3. Step 3: Cross multiply
    1,829.99x = 2,525.07 × 1,043.89
  4. Step 4: Simplify right side
    1,829.99x = 2,635,895.32
  5. Step 5: Solve for x
    x = 2,635,895.32/1,829.99
  6. Step 6: Final answer
    x = 1,440.39

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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.