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Finding the Fourth Proportional to 53,197.49, 79,798.97 and 13,754.94

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Solution

The fourth proportional to 53,197.49, 79,798.97 and 13,754.94 is: 20,633.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,197.49 : 79,798.97 = 13,754.94 : x
  2. Step 2: Convert to fraction form
    53,197.49/79,798.97 = 13,754.94/x
  3. Step 3: Cross multiply
    53,197.49x = 79,798.97 × 13,754.94
  4. Step 4: Simplify right side
    53,197.49x = 1,097,630,044.41
  5. Step 5: Solve for x
    x = 1,097,630,044.41/53,197.49
  6. Step 6: Final answer
    x = 20,633.12

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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.