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Finding the Fourth Proportional to 17,878.53, 26,798.88 and 8,022.45

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Solution

The fourth proportional to 17,878.53, 26,798.88 and 8,022.45 is: 12,025.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,878.53 : 26,798.88 = 8,022.45 : x
  2. Step 2: Convert to fraction form
    17,878.53/26,798.88 = 8,022.45/x
  3. Step 3: Cross multiply
    17,878.53x = 26,798.88 × 8,022.45
  4. Step 4: Simplify right side
    17,878.53x = 214,992,674.86
  5. Step 5: Solve for x
    x = 214,992,674.86/17,878.53
  6. Step 6: Final answer
    x = 12,025.19

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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.