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Finding the Fourth Proportional to 17,568.80, 26,356.80 and 5,890.40

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Solution

The fourth proportional to 17,568.80, 26,356.80 and 5,890.40 is: 8,836.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,568.80 : 26,356.80 = 5,890.40 : x
  2. Step 2: Convert to fraction form
    17,568.80/26,356.80 = 5,890.40/x
  3. Step 3: Cross multiply
    17,568.80x = 26,356.80 × 5,890.40
  4. Step 4: Simplify right side
    17,568.80x = 155,252,094.72
  5. Step 5: Solve for x
    x = 155,252,094.72/17,568.80
  6. Step 6: Final answer
    x = 8,836.81

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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.