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Finding the Fourth Proportional to 1,903.08, 2,626.18 and 1,075.08

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Solution

The fourth proportional to 1,903.08, 2,626.18 and 1,075.08 is: 1,483.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903.08 : 2,626.18 = 1,075.08 : x
  2. Step 2: Convert to fraction form
    1,903.08/2,626.18 = 1,075.08/x
  3. Step 3: Cross multiply
    1,903.08x = 2,626.18 × 1,075.08
  4. Step 4: Simplify right side
    1,903.08x = 2,823,353.59
  5. Step 5: Solve for x
    x = 2,823,353.59/1,903.08
  6. Step 6: Final answer
    x = 1,483.57

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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.