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Finding the Fourth Proportional to 18,435.68, 25,446.72 and 17,495.04

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Solution

The fourth proportional to 18,435.68, 25,446.72 and 17,495.04 is: 24,148.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435.68 : 25,446.72 = 17,495.04 : x
  2. Step 2: Convert to fraction form
    18,435.68/25,446.72 = 17,495.04/x
  3. Step 3: Cross multiply
    18,435.68x = 25,446.72 × 17,495.04
  4. Step 4: Simplify right side
    18,435.68x = 445,191,384.27
  5. Step 5: Solve for x
    x = 445,191,384.27/18,435.68
  6. Step 6: Final answer
    x = 24,148.36

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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.