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Finding the Fourth Proportional to 45,808.12, 68,668.44 and 14,623.12

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Solution

The fourth proportional to 45,808.12, 68,668.44 and 14,623.12 is: 21,920.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,808.12 : 68,668.44 = 14,623.12 : x
  2. Step 2: Convert to fraction form
    45,808.12/68,668.44 = 14,623.12/x
  3. Step 3: Cross multiply
    45,808.12x = 68,668.44 × 14,623.12
  4. Step 4: Simplify right side
    45,808.12x = 1,004,146,838.33
  5. Step 5: Solve for x
    x = 1,004,146,838.33/45,808.12
  6. Step 6: Final answer
    x = 21,920.72

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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.