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Finding the Fourth Proportional to 45,293, 62,505.30 and 25,421

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Solution

The fourth proportional to 45,293, 62,505.30 and 25,421 is: 35,081.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,293 : 62,505.30 = 25,421 : x
  2. Step 2: Convert to fraction form
    45,293/62,505.30 = 25,421/x
  3. Step 3: Cross multiply
    45,293x = 62,505.30 × 25,421
  4. Step 4: Simplify right side
    45,293x = 1,588,947,231.30
  5. Step 5: Solve for x
    x = 1,588,947,231.30/45,293
  6. Step 6: Final answer
    x = 35,081.52

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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.