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Finding the Fourth Proportional to 86,651.56, 119,577.63 and 48,408.63

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Solution

The fourth proportional to 86,651.56, 119,577.63 and 48,408.63 is: 66,803.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,651.56 : 119,577.63 = 48,408.63 : x
  2. Step 2: Convert to fraction form
    86,651.56/119,577.63 = 48,408.63/x
  3. Step 3: Cross multiply
    86,651.56x = 119,577.63 × 48,408.63
  4. Step 4: Simplify right side
    86,651.56x = 5,788,589,246.95
  5. Step 5: Solve for x
    x = 5,788,589,246.95/86,651.56
  6. Step 6: Final answer
    x = 66,803.06

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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.