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Finding the Fourth Proportional to 23,214.56, 34,823.56 and 8,423.56

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Solution

The fourth proportional to 23,214.56, 34,823.56 and 8,423.56 is: 12,635.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,214.56 : 34,823.56 = 8,423.56 : x
  2. Step 2: Convert to fraction form
    23,214.56/34,823.56 = 8,423.56/x
  3. Step 3: Cross multiply
    23,214.56x = 34,823.56 × 8,423.56
  4. Step 4: Simplify right side
    23,214.56x = 293,338,347.07
  5. Step 5: Solve for x
    x = 293,338,347.07/23,214.56
  6. Step 6: Final answer
    x = 12,635.96

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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.