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Finding the Fourth Proportional to 45,763.68, 68,538.90 and 44,502.40

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Solution

The fourth proportional to 45,763.68, 68,538.90 and 44,502.40 is: 66,649.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,763.68 : 68,538.90 = 44,502.40 : x
  2. Step 2: Convert to fraction form
    45,763.68/68,538.90 = 44,502.40/x
  3. Step 3: Cross multiply
    45,763.68x = 68,538.90 × 44,502.40
  4. Step 4: Simplify right side
    45,763.68x = 3,050,145,200.67
  5. Step 5: Solve for x
    x = 3,050,145,200.67/45,763.68
  6. Step 6: Final answer
    x = 66,649.91

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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.