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Finding the Fourth Proportional to 35,471.66, 53,212.95 and 12,092.63

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Solution

The fourth proportional to 35,471.66, 53,212.95 and 12,092.63 is: 18,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,471.66 : 53,212.95 = 12,092.63 : x
  2. Step 2: Convert to fraction form
    35,471.66/53,212.95 = 12,092.63/x
  3. Step 3: Cross multiply
    35,471.66x = 53,212.95 × 12,092.63
  4. Step 4: Simplify right side
    35,471.66x = 643,484,249.49
  5. Step 5: Solve for x
    x = 643,484,249.49/35,471.66
  6. Step 6: Final answer
    x = 18,140.80

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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.