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Finding the Fourth Proportional to 16,768.80, 25,201.80 and 14,630.40

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Solution

The fourth proportional to 16,768.80, 25,201.80 and 14,630.40 is: 21,988.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,768.80 : 25,201.80 = 14,630.40 : x
  2. Step 2: Convert to fraction form
    16,768.80/25,201.80 = 14,630.40/x
  3. Step 3: Cross multiply
    16,768.80x = 25,201.80 × 14,630.40
  4. Step 4: Simplify right side
    16,768.80x = 368,712,414.72
  5. Step 5: Solve for x
    x = 368,712,414.72/16,768.80
  6. Step 6: Final answer
    x = 21,988.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.