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Finding the Fourth Proportional to 45,668.88, 68,495.40 and 16,079.76

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Solution

The fourth proportional to 45,668.88, 68,495.40 and 16,079.76 is: 24,116.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,668.88 : 68,495.40 = 16,079.76 : x
  2. Step 2: Convert to fraction form
    45,668.88/68,495.40 = 16,079.76/x
  3. Step 3: Cross multiply
    45,668.88x = 68,495.40 × 16,079.76
  4. Step 4: Simplify right side
    45,668.88x = 1,101,389,593.10
  5. Step 5: Solve for x
    x = 1,101,389,593.10/45,668.88
  6. Step 6: Final answer
    x = 24,116.85

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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.