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Finding the Fourth Proportional to 30,373.84, 41,898.32 and 18,265.92

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Solution

The fourth proportional to 30,373.84, 41,898.32 and 18,265.92 is: 25,196.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,373.84 : 41,898.32 = 18,265.92 : x
  2. Step 2: Convert to fraction form
    30,373.84/41,898.32 = 18,265.92/x
  3. Step 3: Cross multiply
    30,373.84x = 41,898.32 × 18,265.92
  4. Step 4: Simplify right side
    30,373.84x = 765,311,361.25
  5. Step 5: Solve for x
    x = 765,311,361.25/30,373.84
  6. Step 6: Final answer
    x = 25,196.40

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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.