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Finding the Fourth Proportional to 58,135.79, 80,227.37 and 33,953.49

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Solution

The fourth proportional to 58,135.79, 80,227.37 and 33,953.49 is: 46,855.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,135.79 : 80,227.37 = 33,953.49 : x
  2. Step 2: Convert to fraction form
    58,135.79/80,227.37 = 33,953.49/x
  3. Step 3: Cross multiply
    58,135.79x = 80,227.37 × 33,953.49
  4. Step 4: Simplify right side
    58,135.79x = 2,723,999,205.02
  5. Step 5: Solve for x
    x = 2,723,999,205.02/58,135.79
  6. Step 6: Final answer
    x = 46,855.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.