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Finding the Fourth Proportional to 28,057.49, 42,092.00 and 8,334.29

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Solution

The fourth proportional to 28,057.49, 42,092.00 and 8,334.29 is: 12,503.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,057.49 : 42,092.00 = 8,334.29 : x
  2. Step 2: Convert to fraction form
    28,057.49/42,092.00 = 8,334.29/x
  3. Step 3: Cross multiply
    28,057.49x = 42,092.00 × 8,334.29
  4. Step 4: Simplify right side
    28,057.49x = 350,806,893.01
  5. Step 5: Solve for x
    x = 350,806,893.01/28,057.49
  6. Step 6: Final answer
    x = 12,503.15

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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.