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Finding the Fourth Proportional to 45,777.96, 68,108.04 and 45,622.44

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Solution

The fourth proportional to 45,777.96, 68,108.04 and 45,622.44 is: 67,876.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,777.96 : 68,108.04 = 45,622.44 : x
  2. Step 2: Convert to fraction form
    45,777.96/68,108.04 = 45,622.44/x
  3. Step 3: Cross multiply
    45,777.96x = 68,108.04 × 45,622.44
  4. Step 4: Simplify right side
    45,777.96x = 3,107,254,968.42
  5. Step 5: Solve for x
    x = 3,107,254,968.42/45,777.96
  6. Step 6: Final answer
    x = 67,876.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.