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Finding the Fourth Proportional to 23,274.36, 34,920.84 and 8,484.36

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Solution

The fourth proportional to 23,274.36, 34,920.84 and 8,484.36 is: 12,729.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,274.36 : 34,920.84 = 8,484.36 : x
  2. Step 2: Convert to fraction form
    23,274.36/34,920.84 = 8,484.36/x
  3. Step 3: Cross multiply
    23,274.36x = 34,920.84 × 8,484.36
  4. Step 4: Simplify right side
    23,274.36x = 296,280,978.06
  5. Step 5: Solve for x
    x = 296,280,978.06/23,274.36
  6. Step 6: Final answer
    x = 12,729.93

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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.