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Finding the Fourth Proportional to 76,993.43, 115,527.02 and 37,529.01

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Solution

The fourth proportional to 76,993.43, 115,527.02 and 37,529.01 is: 56,311.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,993.43 : 115,527.02 = 37,529.01 : x
  2. Step 2: Convert to fraction form
    76,993.43/115,527.02 = 37,529.01/x
  3. Step 3: Cross multiply
    76,993.43x = 115,527.02 × 37,529.01
  4. Step 4: Simplify right side
    76,993.43x = 4,335,614,501.21
  5. Step 5: Solve for x
    x = 4,335,614,501.21/76,993.43
  6. Step 6: Final answer
    x = 56,311.49

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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.