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Finding the Fourth Proportional to 45,874.81, 63,307.77 and 25,457.30

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Solution

The fourth proportional to 45,874.81, 63,307.77 and 25,457.30 is: 35,131.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,874.81 : 63,307.77 = 25,457.30 : x
  2. Step 2: Convert to fraction form
    45,874.81/63,307.77 = 25,457.30/x
  3. Step 3: Cross multiply
    45,874.81x = 63,307.77 × 25,457.30
  4. Step 4: Simplify right side
    45,874.81x = 1,611,644,893.22
  5. Step 5: Solve for x
    x = 1,611,644,893.22/45,874.81
  6. Step 6: Final answer
    x = 35,131.37

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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.