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Finding the Fourth Proportional to 35,558.04, 49,068.04 and 21,234

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Solution

The fourth proportional to 35,558.04, 49,068.04 and 21,234 is: 29,301.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,558.04 : 49,068.04 = 21,234 : x
  2. Step 2: Convert to fraction form
    35,558.04/49,068.04 = 21,234/x
  3. Step 3: Cross multiply
    35,558.04x = 49,068.04 × 21,234
  4. Step 4: Simplify right side
    35,558.04x = 1,041,910,761.36
  5. Step 5: Solve for x
    x = 1,041,910,761.36/35,558.04
  6. Step 6: Final answer
    x = 29,301.69

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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.