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Finding the Fourth Proportional to 53,295.68, 79,935.52 and 33,513.92

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Solution

The fourth proportional to 53,295.68, 79,935.52 and 33,513.92 is: 50,265.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,295.68 : 79,935.52 = 33,513.92 : x
  2. Step 2: Convert to fraction form
    53,295.68/79,935.52 = 33,513.92/x
  3. Step 3: Cross multiply
    53,295.68x = 79,935.52 × 33,513.92
  4. Step 4: Simplify right side
    53,295.68x = 2,678,952,622.44
  5. Step 5: Solve for x
    x = 2,678,952,622.44/53,295.68
  6. Step 6: Final answer
    x = 50,265.85

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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.