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Finding the Fourth Proportional to 1,504.01, 2,075.40 and 874.41

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Solution

The fourth proportional to 1,504.01, 2,075.40 and 874.41 is: 1,206.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504.01 : 2,075.40 = 874.41 : x
  2. Step 2: Convert to fraction form
    1,504.01/2,075.40 = 874.41/x
  3. Step 3: Cross multiply
    1,504.01x = 2,075.40 × 874.41
  4. Step 4: Simplify right side
    1,504.01x = 1,814,750.51
  5. Step 5: Solve for x
    x = 1,814,750.51/1,504.01
  6. Step 6: Final answer
    x = 1,206.61

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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.