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Finding the Fourth Proportional to 10,041.60, 15,059.70 and 3,021.60

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Solution

The fourth proportional to 10,041.60, 15,059.70 and 3,021.60 is: 4,531.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,041.60 : 15,059.70 = 3,021.60 : x
  2. Step 2: Convert to fraction form
    10,041.60/15,059.70 = 3,021.60/x
  3. Step 3: Cross multiply
    10,041.60x = 15,059.70 × 3,021.60
  4. Step 4: Simplify right side
    10,041.60x = 45,504,389.52
  5. Step 5: Solve for x
    x = 45,504,389.52/10,041.60
  6. Step 6: Final answer
    x = 4,531.59

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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.