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Finding the Fourth Proportional to 25,982.91, 35,851.86 and 15,368.67

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Solution

The fourth proportional to 25,982.91, 35,851.86 and 15,368.67 is: 21,206.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,982.91 : 35,851.86 = 15,368.67 : x
  2. Step 2: Convert to fraction form
    25,982.91/35,851.86 = 15,368.67/x
  3. Step 3: Cross multiply
    25,982.91x = 35,851.86 × 15,368.67
  4. Step 4: Simplify right side
    25,982.91x = 550,995,405.23
  5. Step 5: Solve for x
    x = 550,995,405.23/25,982.91
  6. Step 6: Final answer
    x = 21,206.07

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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.