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Finding the Fourth Proportional to 16,417.68, 24,605.68 and 8,920.84

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Solution

The fourth proportional to 16,417.68, 24,605.68 and 8,920.84 is: 13,369.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,417.68 : 24,605.68 = 8,920.84 : x
  2. Step 2: Convert to fraction form
    16,417.68/24,605.68 = 8,920.84/x
  3. Step 3: Cross multiply
    16,417.68x = 24,605.68 × 8,920.84
  4. Step 4: Simplify right side
    16,417.68x = 219,503,334.37
  5. Step 5: Solve for x
    x = 219,503,334.37/16,417.68
  6. Step 6: Final answer
    x = 13,369.94

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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.