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Finding the Fourth Proportional to 17,874.54, 24,646.68 and 12,212.64

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Solution

The fourth proportional to 17,874.54, 24,646.68 and 12,212.64 is: 16,839.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,874.54 : 24,646.68 = 12,212.64 : x
  2. Step 2: Convert to fraction form
    17,874.54/24,646.68 = 12,212.64/x
  3. Step 3: Cross multiply
    17,874.54x = 24,646.68 × 12,212.64
  4. Step 4: Simplify right side
    17,874.54x = 301,001,030.04
  5. Step 5: Solve for x
    x = 301,001,030.04/17,874.54
  6. Step 6: Final answer
    x = 16,839.65

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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.