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Finding the Fourth Proportional to 18,703.62, 25,845.21 and 17,792.46

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Solution

The fourth proportional to 18,703.62, 25,845.21 and 17,792.46 is: 24,586.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,703.62 : 25,845.21 = 17,792.46 : x
  2. Step 2: Convert to fraction form
    18,703.62/25,845.21 = 17,792.46/x
  3. Step 3: Cross multiply
    18,703.62x = 25,845.21 × 17,792.46
  4. Step 4: Simplify right side
    18,703.62x = 459,849,865.12
  5. Step 5: Solve for x
    x = 459,849,865.12/18,703.62
  6. Step 6: Final answer
    x = 24,586.14

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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.