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Finding the Fourth Proportional to 65,342.84, 90,200.63 and 44,150.81

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Solution

The fourth proportional to 65,342.84, 90,200.63 and 44,150.81 is: 60,946.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,342.84 : 90,200.63 = 44,150.81 : x
  2. Step 2: Convert to fraction form
    65,342.84/90,200.63 = 44,150.81/x
  3. Step 3: Cross multiply
    65,342.84x = 90,200.63 × 44,150.81
  4. Step 4: Simplify right side
    65,342.84x = 3,982,430,536.38
  5. Step 5: Solve for x
    x = 3,982,430,536.38/65,342.84
  6. Step 6: Final answer
    x = 60,946.71

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1.5x scale

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.