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Finding the Fourth Proportional to 1,508.63, 2,263.11 and 1,353.60

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Solution

The fourth proportional to 1,508.63, 2,263.11 and 1,353.60 is: 2,030.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508.63 : 2,263.11 = 1,353.60 : x
  2. Step 2: Convert to fraction form
    1,508.63/2,263.11 = 1,353.60/x
  3. Step 3: Cross multiply
    1,508.63x = 2,263.11 × 1,353.60
  4. Step 4: Simplify right side
    1,508.63x = 3,063,340.62
  5. Step 5: Solve for x
    x = 3,063,340.62/1,508.63
  6. Step 6: Final answer
    x = 2,030.55

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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.