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Finding the Fourth Proportional to 58,576.80, 80,822.16 and 33,434.40

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Solution

The fourth proportional to 58,576.80, 80,822.16 and 33,434.40 is: 46,131.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,576.80 : 80,822.16 = 33,434.40 : x
  2. Step 2: Convert to fraction form
    58,576.80/80,822.16 = 33,434.40/x
  3. Step 3: Cross multiply
    58,576.80x = 80,822.16 × 33,434.40
  4. Step 4: Simplify right side
    58,576.80x = 2,702,240,426.30
  5. Step 5: Solve for x
    x = 2,702,240,426.30/58,576.80
  6. Step 6: Final answer
    x = 46,131.58

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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.