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Finding the Fourth Proportional to 53,243.62, 79,797.58 and 28,295.62

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Solution

The fourth proportional to 53,243.62, 79,797.58 and 28,295.62 is: 42,407.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,243.62 : 79,797.58 = 28,295.62 : x
  2. Step 2: Convert to fraction form
    53,243.62/79,797.58 = 28,295.62/x
  3. Step 3: Cross multiply
    53,243.62x = 79,797.58 × 28,295.62
  4. Step 4: Simplify right side
    53,243.62x = 2,257,922,000.60
  5. Step 5: Solve for x
    x = 2,257,922,000.60/53,243.62
  6. Step 6: Final answer
    x = 42,407.37

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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.