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Finding the Fourth Proportional to 23,325.78, 34,987.76 and 6,685.78

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Solution

The fourth proportional to 23,325.78, 34,987.76 and 6,685.78 is: 10,028.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,325.78 : 34,987.76 = 6,685.78 : x
  2. Step 2: Convert to fraction form
    23,325.78/34,987.76 = 6,685.78/x
  3. Step 3: Cross multiply
    23,325.78x = 34,987.76 × 6,685.78
  4. Step 4: Simplify right side
    23,325.78x = 233,920,466.05
  5. Step 5: Solve for x
    x = 233,920,466.05/23,325.78
  6. Step 6: Final answer
    x = 10,028.41

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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.