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Finding the Fourth Proportional to 17,585.28, 26,328.24 and 14,057.28

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Solution

The fourth proportional to 17,585.28, 26,328.24 and 14,057.28 is: 21,046.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,585.28 : 26,328.24 = 14,057.28 : x
  2. Step 2: Convert to fraction form
    17,585.28/26,328.24 = 14,057.28/x
  3. Step 3: Cross multiply
    17,585.28x = 26,328.24 × 14,057.28
  4. Step 4: Simplify right side
    17,585.28x = 370,103,441.59
  5. Step 5: Solve for x
    x = 370,103,441.59/17,585.28
  6. Step 6: Final answer
    x = 21,046.21

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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.