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Finding the Fourth Proportional to 16,794.40, 25,210.80 and 9,872.80

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Solution

The fourth proportional to 16,794.40, 25,210.80 and 9,872.80 is: 14,820.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,794.40 : 25,210.80 = 9,872.80 : x
  2. Step 2: Convert to fraction form
    16,794.40/25,210.80 = 9,872.80/x
  3. Step 3: Cross multiply
    16,794.40x = 25,210.80 × 9,872.80
  4. Step 4: Simplify right side
    16,794.40x = 248,901,186.24
  5. Step 5: Solve for x
    x = 248,901,186.24/16,794.40
  6. Step 6: Final answer
    x = 14,820.49

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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.