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Finding the Fourth Proportional to 45,263, 62,462.94 and 25,391

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Solution

The fourth proportional to 45,263, 62,462.94 and 25,391 is: 35,039.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,263 : 62,462.94 = 25,391 : x
  2. Step 2: Convert to fraction form
    45,263/62,462.94 = 25,391/x
  3. Step 3: Cross multiply
    45,263x = 62,462.94 × 25,391
  4. Step 4: Simplify right side
    45,263x = 1,585,996,509.54
  5. Step 5: Solve for x
    x = 1,585,996,509.54/45,263
  6. Step 6: Final answer
    x = 35,039.58

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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.