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Finding the Fourth Proportional to 45,436, 62,703.51 and 25,291.60

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Solution

The fourth proportional to 45,436, 62,703.51 and 25,291.60 is: 34,903.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,436 : 62,703.51 = 25,291.60 : x
  2. Step 2: Convert to fraction form
    45,436/62,703.51 = 25,291.60/x
  3. Step 3: Cross multiply
    45,436x = 62,703.51 × 25,291.60
  4. Step 4: Simplify right side
    45,436x = 1,585,872,093.52
  5. Step 5: Solve for x
    x = 1,585,872,093.52/45,436
  6. Step 6: Final answer
    x = 34,903.43

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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.