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Finding the Fourth Proportional to 30,252.88, 41,748.48 and 16,822.48

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Solution

The fourth proportional to 30,252.88, 41,748.48 and 16,822.48 is: 23,214.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,252.88 : 41,748.48 = 16,822.48 : x
  2. Step 2: Convert to fraction form
    30,252.88/41,748.48 = 16,822.48/x
  3. Step 3: Cross multiply
    30,252.88x = 41,748.48 × 16,822.48
  4. Step 4: Simplify right side
    30,252.88x = 702,312,969.83
  5. Step 5: Solve for x
    x = 702,312,969.83/30,252.88
  6. Step 6: Final answer
    x = 23,214.75

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1.5x scale

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.