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Finding the Fourth Proportional to 89,707.92, 134,573.60 and 30,527.68

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Solution

The fourth proportional to 89,707.92, 134,573.60 and 30,527.68 is: 45,795.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,707.92 : 134,573.60 = 30,527.68 : x
  2. Step 2: Convert to fraction form
    89,707.92/134,573.60 = 30,527.68/x
  3. Step 3: Cross multiply
    89,707.92x = 134,573.60 × 30,527.68
  4. Step 4: Simplify right side
    89,707.92x = 4,108,219,797.25
  5. Step 5: Solve for x
    x = 4,108,219,797.25/89,707.92
  6. Step 6: Final answer
    x = 45,795.51

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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.