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Finding the Fourth Proportional to 18,466.84, 27,700.08 and 4,615.84

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Solution

The fourth proportional to 18,466.84, 27,700.08 and 4,615.84 is: 6,923.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,466.84 : 27,700.08 = 4,615.84 : x
  2. Step 2: Convert to fraction form
    18,466.84/27,700.08 = 4,615.84/x
  3. Step 3: Cross multiply
    18,466.84x = 27,700.08 × 4,615.84
  4. Step 4: Simplify right side
    18,466.84x = 127,859,137.27
  5. Step 5: Solve for x
    x = 127,859,137.27/18,466.84
  6. Step 6: Final answer
    x = 6,923.72

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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.