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Finding the Fourth Proportional to 66,823.25, 100,234.87 and 26,860.41

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Solution

The fourth proportional to 66,823.25, 100,234.87 and 26,860.41 is: 40,290.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,823.25 : 100,234.87 = 26,860.41 : x
  2. Step 2: Convert to fraction form
    66,823.25/100,234.87 = 26,860.41/x
  3. Step 3: Cross multiply
    66,823.25x = 100,234.87 × 26,860.41
  4. Step 4: Simplify right side
    66,823.25x = 2,692,349,637.35
  5. Step 5: Solve for x
    x = 2,692,349,637.35/66,823.25
  6. Step 6: Final answer
    x = 40,290.62

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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.