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Finding the Fourth Proportional to 58,013.49, 80,043.19 and 33,478.09

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Solution

The fourth proportional to 58,013.49, 80,043.19 and 33,478.09 is: 46,190.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,013.49 : 80,043.19 = 33,478.09 : x
  2. Step 2: Convert to fraction form
    58,013.49/80,043.19 = 33,478.09/x
  3. Step 3: Cross multiply
    58,013.49x = 80,043.19 × 33,478.09
  4. Step 4: Simplify right side
    58,013.49x = 2,679,692,834.90
  5. Step 5: Solve for x
    x = 2,679,692,834.90/58,013.49
  6. Step 6: Final answer
    x = 46,190.85

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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.