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Finding the Fourth Proportional to 18,550.62, 25,603.71 and 17,056.17

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Solution

The fourth proportional to 18,550.62, 25,603.71 and 17,056.17 is: 23,541.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550.62 : 25,603.71 = 17,056.17 : x
  2. Step 2: Convert to fraction form
    18,550.62/25,603.71 = 17,056.17/x
  3. Step 3: Cross multiply
    18,550.62x = 25,603.71 × 17,056.17
  4. Step 4: Simplify right side
    18,550.62x = 436,701,145.01
  5. Step 5: Solve for x
    x = 436,701,145.01/18,550.62
  6. Step 6: Final answer
    x = 23,541.06

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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.