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Finding the Fourth Proportional to 16,636.80, 24,955.20 and 16,418.10

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Solution

The fourth proportional to 16,636.80, 24,955.20 and 16,418.10 is: 24,627.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,636.80 : 24,955.20 = 16,418.10 : x
  2. Step 2: Convert to fraction form
    16,636.80/24,955.20 = 16,418.10/x
  3. Step 3: Cross multiply
    16,636.80x = 24,955.20 × 16,418.10
  4. Step 4: Simplify right side
    16,636.80x = 409,716,969.12
  5. Step 5: Solve for x
    x = 409,716,969.12/16,636.80
  6. Step 6: Final answer
    x = 24,627.15

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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.