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Finding the Fourth Proportional to 1,059.66, 1,595.03 and 959.04

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Solution

The fourth proportional to 1,059.66, 1,595.03 and 959.04 is: 1,443.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059.66 : 1,595.03 = 959.04 : x
  2. Step 2: Convert to fraction form
    1,059.66/1,595.03 = 959.04/x
  3. Step 3: Cross multiply
    1,059.66x = 1,595.03 × 959.04
  4. Step 4: Simplify right side
    1,059.66x = 1,529,692.78
  5. Step 5: Solve for x
    x = 1,529,692.78/1,059.66
  6. Step 6: Final answer
    x = 1,443.57

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.