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Finding the Fourth Proportional to 35,402.94, 48,857.22 and 19,488.60

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Solution

The fourth proportional to 35,402.94, 48,857.22 and 19,488.60 is: 26,894.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,402.94 : 48,857.22 = 19,488.60 : x
  2. Step 2: Convert to fraction form
    35,402.94/48,857.22 = 19,488.60/x
  3. Step 3: Cross multiply
    35,402.94x = 48,857.22 × 19,488.60
  4. Step 4: Simplify right side
    35,402.94x = 952,158,817.69
  5. Step 5: Solve for x
    x = 952,158,817.69/35,402.94
  6. Step 6: Final answer
    x = 26,894.91

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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.