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Finding the Fourth Proportional to 45,840, 63,260.16 and 25,968

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Solution

The fourth proportional to 45,840, 63,260.16 and 25,968 is: 35,836.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,840 : 63,260.16 = 25,968 : x
  2. Step 2: Convert to fraction form
    45,840/63,260.16 = 25,968/x
  3. Step 3: Cross multiply
    45,840x = 63,260.16 × 25,968
  4. Step 4: Simplify right side
    45,840x = 1,642,739,834.88
  5. Step 5: Solve for x
    x = 1,642,739,834.88/45,840
  6. Step 6: Final answer
    x = 35,836.38

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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.