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Finding the Fourth Proportional to 16,754.80, 25,148.40 and 8,444.20

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Solution

The fourth proportional to 16,754.80, 25,148.40 and 8,444.20 is: 12,674.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,754.80 : 25,148.40 = 8,444.20 : x
  2. Step 2: Convert to fraction form
    16,754.80/25,148.40 = 8,444.20/x
  3. Step 3: Cross multiply
    16,754.80x = 25,148.40 × 8,444.20
  4. Step 4: Simplify right side
    16,754.80x = 212,358,119.28
  5. Step 5: Solve for x
    x = 212,358,119.28/16,754.80
  6. Step 6: Final answer
    x = 12,674.46

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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.