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Finding the Fourth Proportional to 29,203.52, 40,300.44 and 16,628

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Solution

The fourth proportional to 29,203.52, 40,300.44 and 16,628 is: 22,946.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,203.52 : 40,300.44 = 16,628 : x
  2. Step 2: Convert to fraction form
    29,203.52/40,300.44 = 16,628/x
  3. Step 3: Cross multiply
    29,203.52x = 40,300.44 × 16,628
  4. Step 4: Simplify right side
    29,203.52x = 670,115,716.32
  5. Step 5: Solve for x
    x = 670,115,716.32/29,203.52
  6. Step 6: Final answer
    x = 22,946.40

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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.