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Finding the Fourth Proportional to 45,045, 62,164.02 and 25,173

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Solution

The fourth proportional to 45,045, 62,164.02 and 25,173 is: 34,739.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,045 : 62,164.02 = 25,173 : x
  2. Step 2: Convert to fraction form
    45,045/62,164.02 = 25,173/x
  3. Step 3: Cross multiply
    45,045x = 62,164.02 × 25,173
  4. Step 4: Simplify right side
    45,045x = 1,564,854,875.46
  5. Step 5: Solve for x
    x = 1,564,854,875.46/45,045
  6. Step 6: Final answer
    x = 34,739.81

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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.