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Finding the Fourth Proportional to 65,457.81, 90,366.23 and 44,060.04

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Solution

The fourth proportional to 65,457.81, 90,366.23 and 44,060.04 is: 60,826.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,457.81 : 90,366.23 = 44,060.04 : x
  2. Step 2: Convert to fraction form
    65,457.81/90,366.23 = 44,060.04/x
  3. Step 3: Cross multiply
    65,457.81x = 90,366.23 × 44,060.04
  4. Step 4: Simplify right side
    65,457.81x = 3,981,539,818.60
  5. Step 5: Solve for x
    x = 3,981,539,818.60/65,457.81
  6. Step 6: Final answer
    x = 60,826.05

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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.