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Finding the Fourth Proportional to 45,212, 62,393.32 and 25,069.72

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Solution

The fourth proportional to 45,212, 62,393.32 and 25,069.72 is: 34,596.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,212 : 62,393.32 = 25,069.72 : x
  2. Step 2: Convert to fraction form
    45,212/62,393.32 = 25,069.72/x
  3. Step 3: Cross multiply
    45,212x = 62,393.32 × 25,069.72
  4. Step 4: Simplify right side
    45,212x = 1,564,183,062.27
  5. Step 5: Solve for x
    x = 1,564,183,062.27/45,212
  6. Step 6: Final answer
    x = 34,596.64

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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.