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Finding the Fourth Proportional to 45,316, 62,539.92 and 25,447.84

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Solution

The fourth proportional to 45,316, 62,539.92 and 25,447.84 is: 35,120.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,316 : 62,539.92 = 25,447.84 : x
  2. Step 2: Convert to fraction form
    45,316/62,539.92 = 25,447.84/x
  3. Step 3: Cross multiply
    45,316x = 62,539.92 × 25,447.84
  4. Step 4: Simplify right side
    45,316x = 1,591,505,877.77
  5. Step 5: Solve for x
    x = 1,591,505,877.77/45,316
  6. Step 6: Final answer
    x = 35,120.18

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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.