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Finding the Fourth Proportional to 21,892.79, 32,846.93 and 10,807.25

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Solution

The fourth proportional to 21,892.79, 32,846.93 and 10,807.25 is: 16,214.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,892.79 : 32,846.93 = 10,807.25 : x
  2. Step 2: Convert to fraction form
    21,892.79/32,846.93 = 10,807.25/x
  3. Step 3: Cross multiply
    21,892.79x = 32,846.93 × 10,807.25
  4. Step 4: Simplify right side
    21,892.79x = 354,984,765.97
  5. Step 5: Solve for x
    x = 354,984,765.97/21,892.79
  6. Step 6: Final answer
    x = 16,214.69

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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.