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Finding the Fourth Proportional to 18,425.84, 27,460.08 and 17,835.44

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Solution

The fourth proportional to 18,425.84, 27,460.08 and 17,835.44 is: 26,580.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,425.84 : 27,460.08 = 17,835.44 : x
  2. Step 2: Convert to fraction form
    18,425.84/27,460.08 = 17,835.44/x
  3. Step 3: Cross multiply
    18,425.84x = 27,460.08 × 17,835.44
  4. Step 4: Simplify right side
    18,425.84x = 489,762,609.24
  5. Step 5: Solve for x
    x = 489,762,609.24/18,425.84
  6. Step 6: Final answer
    x = 26,580.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.