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Finding the Fourth Proportional to 76,952.20, 115,244.70 and 37,382.20

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Solution

The fourth proportional to 76,952.20, 115,244.70 and 37,382.20 is: 55,984.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,952.20 : 115,244.70 = 37,382.20 : x
  2. Step 2: Convert to fraction form
    76,952.20/115,244.70 = 37,382.20/x
  3. Step 3: Cross multiply
    76,952.20x = 115,244.70 × 37,382.20
  4. Step 4: Simplify right side
    76,952.20x = 4,308,100,424.34
  5. Step 5: Solve for x
    x = 4,308,100,424.34/76,952.20
  6. Step 6: Final answer
    x = 55,984.11

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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.