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Finding the Fourth Proportional to 17,653.16, 26,486.22 and 16,609.88

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Solution

The fourth proportional to 17,653.16, 26,486.22 and 16,609.88 is: 24,920.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,653.16 : 26,486.22 = 16,609.88 : x
  2. Step 2: Convert to fraction form
    17,653.16/26,486.22 = 16,609.88/x
  3. Step 3: Cross multiply
    17,653.16x = 26,486.22 × 16,609.88
  4. Step 4: Simplify right side
    17,653.16x = 439,932,803.42
  5. Step 5: Solve for x
    x = 439,932,803.42/17,653.16
  6. Step 6: Final answer
    x = 24,920.92

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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.