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Finding the Fourth Proportional to 53,528.40, 80,321.40 and 22,366.80

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Solution

The fourth proportional to 53,528.40, 80,321.40 and 22,366.80 is: 33,562.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,528.40 : 80,321.40 = 22,366.80 : x
  2. Step 2: Convert to fraction form
    53,528.40/80,321.40 = 22,366.80/x
  3. Step 3: Cross multiply
    53,528.40x = 80,321.40 × 22,366.80
  4. Step 4: Simplify right side
    53,528.40x = 1,796,532,689.52
  5. Step 5: Solve for x
    x = 1,796,532,689.52/53,528.40
  6. Step 6: Final answer
    x = 33,562.23

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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.