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Finding the Fourth Proportional to 67,777.63, 101,679.23 and 25,670.32

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Solution

The fourth proportional to 67,777.63, 101,679.23 and 25,670.32 is: 38,510.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,777.63 : 101,679.23 = 25,670.32 : x
  2. Step 2: Convert to fraction form
    67,777.63/101,679.23 = 25,670.32/x
  3. Step 3: Cross multiply
    67,777.63x = 101,679.23 × 25,670.32
  4. Step 4: Simplify right side
    67,777.63x = 2,610,138,181.43
  5. Step 5: Solve for x
    x = 2,610,138,181.43/67,777.63
  6. Step 6: Final answer
    x = 38,510.32

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1.5x scale

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.