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Finding the Fourth Proportional to 45,978.35, 68,932.44 and 23,777.55

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Solution

The fourth proportional to 45,978.35, 68,932.44 and 23,777.55 is: 35,648.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,978.35 : 68,932.44 = 23,777.55 : x
  2. Step 2: Convert to fraction form
    45,978.35/68,932.44 = 23,777.55/x
  3. Step 3: Cross multiply
    45,978.35x = 68,932.44 × 23,777.55
  4. Step 4: Simplify right side
    45,978.35x = 1,639,044,538.72
  5. Step 5: Solve for x
    x = 1,639,044,538.72/45,978.35
  6. Step 6: Final answer
    x = 35,648.18

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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.