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Finding the Fourth Proportional to 30,054.90, 41,475.51 and 16,626

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Solution

The fourth proportional to 30,054.90, 41,475.51 and 16,626 is: 22,943.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,054.90 : 41,475.51 = 16,626 : x
  2. Step 2: Convert to fraction form
    30,054.90/41,475.51 = 16,626/x
  3. Step 3: Cross multiply
    30,054.90x = 41,475.51 × 16,626
  4. Step 4: Simplify right side
    30,054.90x = 689,571,829.26
  5. Step 5: Solve for x
    x = 689,571,829.26/30,054.90
  6. Step 6: Final answer
    x = 22,943.74

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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.