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Finding the Fourth Proportional to 58,051.76, 86,994.24 and 44,672.80

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Solution

The fourth proportional to 58,051.76, 86,994.24 and 44,672.80 is: 66,945.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,051.76 : 86,994.24 = 44,672.80 : x
  2. Step 2: Convert to fraction form
    58,051.76/86,994.24 = 44,672.80/x
  3. Step 3: Cross multiply
    58,051.76x = 86,994.24 × 44,672.80
  4. Step 4: Simplify right side
    58,051.76x = 3,886,276,284.67
  5. Step 5: Solve for x
    x = 3,886,276,284.67/58,051.76
  6. Step 6: Final answer
    x = 66,945.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.