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Finding the Fourth Proportional to 1,503.94, 2,256.64 and 1,015.90

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Solution

The fourth proportional to 1,503.94, 2,256.64 and 1,015.90 is: 1,524.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503.94 : 2,256.64 = 1,015.90 : x
  2. Step 2: Convert to fraction form
    1,503.94/2,256.64 = 1,015.90/x
  3. Step 3: Cross multiply
    1,503.94x = 2,256.64 × 1,015.90
  4. Step 4: Simplify right side
    1,503.94x = 2,292,520.58
  5. Step 5: Solve for x
    x = 2,292,520.58/1,503.94
  6. Step 6: Final answer
    x = 1,524.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.