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Finding the Fourth Proportional to 35,458.53, 48,941.11 and 22,039.91

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Solution

The fourth proportional to 35,458.53, 48,941.11 and 22,039.91 is: 30,420.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,458.53 : 48,941.11 = 22,039.91 : x
  2. Step 2: Convert to fraction form
    35,458.53/48,941.11 = 22,039.91/x
  3. Step 3: Cross multiply
    35,458.53x = 48,941.11 × 22,039.91
  4. Step 4: Simplify right side
    35,458.53x = 1,078,657,659.70
  5. Step 5: Solve for x
    x = 1,078,657,659.70/35,458.53
  6. Step 6: Final answer
    x = 30,420.26

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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.