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Finding the Fourth Proportional to 53,970.40, 80,882.70 and 36,150.40

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Solution

The fourth proportional to 53,970.40, 80,882.70 and 36,150.40 is: 54,176.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,970.40 : 80,882.70 = 36,150.40 : x
  2. Step 2: Convert to fraction form
    53,970.40/80,882.70 = 36,150.40/x
  3. Step 3: Cross multiply
    53,970.40x = 80,882.70 × 36,150.40
  4. Step 4: Simplify right side
    53,970.40x = 2,923,941,958.08
  5. Step 5: Solve for x
    x = 2,923,941,958.08/53,970.40
  6. Step 6: Final answer
    x = 54,176.77

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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.