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Finding the Fourth Proportional to 16,235.51, 22,404.87 and 8,783.51

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Solution

The fourth proportional to 16,235.51, 22,404.87 and 8,783.51 is: 12,121.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,235.51 : 22,404.87 = 8,783.51 : x
  2. Step 2: Convert to fraction form
    16,235.51/22,404.87 = 8,783.51/x
  3. Step 3: Cross multiply
    16,235.51x = 22,404.87 × 8,783.51
  4. Step 4: Simplify right side
    16,235.51x = 196,793,287.67
  5. Step 5: Solve for x
    x = 196,793,287.67/16,235.51
  6. Step 6: Final answer
    x = 12,121.17

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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.