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Finding the Fourth Proportional to 16,754.90, 25,132.54 and 4,274.90

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Solution

The fourth proportional to 16,754.90, 25,132.54 and 4,274.90 is: 6,412.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,754.90 : 25,132.54 = 4,274.90 : x
  2. Step 2: Convert to fraction form
    16,754.90/25,132.54 = 4,274.90/x
  3. Step 3: Cross multiply
    16,754.90x = 25,132.54 × 4,274.90
  4. Step 4: Simplify right side
    16,754.90x = 107,439,095.25
  5. Step 5: Solve for x
    x = 107,439,095.25/16,754.90
  6. Step 6: Final answer
    x = 6,412.40

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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.