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Finding the Fourth Proportional to 43,927.76, 65,891.05 and 10,648.12

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Solution

The fourth proportional to 43,927.76, 65,891.05 and 10,648.12 is: 15,972.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,927.76 : 65,891.05 = 10,648.12 : x
  2. Step 2: Convert to fraction form
    43,927.76/65,891.05 = 10,648.12/x
  3. Step 3: Cross multiply
    43,927.76x = 65,891.05 × 10,648.12
  4. Step 4: Simplify right side
    43,927.76x = 701,615,807.33
  5. Step 5: Solve for x
    x = 701,615,807.33/43,927.76
  6. Step 6: Final answer
    x = 15,972.04

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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.