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Finding the Fourth Proportional to 58,855.24, 81,232.90 and 36,213.48

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Solution

The fourth proportional to 58,855.24, 81,232.90 and 36,213.48 is: 49,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,855.24 : 81,232.90 = 36,213.48 : x
  2. Step 2: Convert to fraction form
    58,855.24/81,232.90 = 36,213.48/x
  3. Step 3: Cross multiply
    58,855.24x = 81,232.90 × 36,213.48
  4. Step 4: Simplify right side
    58,855.24x = 2,941,725,999.49
  5. Step 5: Solve for x
    x = 2,941,725,999.49/58,855.24
  6. Step 6: Final answer
    x = 49,982.40

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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.