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Finding the Fourth Proportional to 35,313.84, 48,733.56 and 19,400.04

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Solution

The fourth proportional to 35,313.84, 48,733.56 and 19,400.04 is: 26,772.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,313.84 : 48,733.56 = 19,400.04 : x
  2. Step 2: Convert to fraction form
    35,313.84/48,733.56 = 19,400.04/x
  3. Step 3: Cross multiply
    35,313.84x = 48,733.56 × 19,400.04
  4. Step 4: Simplify right side
    35,313.84x = 945,433,013.34
  5. Step 5: Solve for x
    x = 945,433,013.34/35,313.84
  6. Step 6: Final answer
    x = 26,772.31

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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.