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Finding the Fourth Proportional to 25,370.69, 35,010.69 and 14,040.67

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Solution

The fourth proportional to 25,370.69, 35,010.69 and 14,040.67 is: 19,375.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,370.69 : 35,010.69 = 14,040.67 : x
  2. Step 2: Convert to fraction form
    25,370.69/35,010.69 = 14,040.67/x
  3. Step 3: Cross multiply
    25,370.69x = 35,010.69 × 14,040.67
  4. Step 4: Simplify right side
    25,370.69x = 491,573,457.24
  5. Step 5: Solve for x
    x = 491,573,457.24/25,370.69
  6. Step 6: Final answer
    x = 19,375.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.