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Finding the Fourth Proportional to 58,872.58, 81,267.69 and 36,220.84

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Solution

The fourth proportional to 58,872.58, 81,267.69 and 36,220.84 is: 49,999.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,872.58 : 81,267.69 = 36,220.84 : x
  2. Step 2: Convert to fraction form
    58,872.58/81,267.69 = 36,220.84/x
  3. Step 3: Cross multiply
    58,872.58x = 81,267.69 × 36,220.84
  4. Step 4: Simplify right side
    58,872.58x = 2,943,583,996.66
  5. Step 5: Solve for x
    x = 2,943,583,996.66/58,872.58
  6. Step 6: Final answer
    x = 49,999.24

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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.