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Finding the Fourth Proportional to 10,604.60, 15,902.10 and 4,028.60

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Solution

The fourth proportional to 10,604.60, 15,902.10 and 4,028.60 is: 6,041.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,604.60 : 15,902.10 = 4,028.60 : x
  2. Step 2: Convert to fraction form
    10,604.60/15,902.10 = 4,028.60/x
  3. Step 3: Cross multiply
    10,604.60x = 15,902.10 × 4,028.60
  4. Step 4: Simplify right side
    10,604.60x = 64,063,200.06
  5. Step 5: Solve for x
    x = 64,063,200.06/10,604.60
  6. Step 6: Final answer
    x = 6,041.08

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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.