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Finding the Fourth Proportional to 23,008.70, 34,513.05 and 8,218.10

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Solution

The fourth proportional to 23,008.70, 34,513.05 and 8,218.10 is: 12,327.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,008.70 : 34,513.05 = 8,218.10 : x
  2. Step 2: Convert to fraction form
    23,008.70/34,513.05 = 8,218.10/x
  3. Step 3: Cross multiply
    23,008.70x = 34,513.05 × 8,218.10
  4. Step 4: Simplify right side
    23,008.70x = 283,631,696.21
  5. Step 5: Solve for x
    x = 283,631,696.21/23,008.70
  6. Step 6: Final answer
    x = 12,327.15

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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.