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Finding the Fourth Proportional to 22,361.40, 30,810.06 and 16,693.92

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Solution

The fourth proportional to 22,361.40, 30,810.06 and 16,693.92 is: 23,001.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,361.40 : 30,810.06 = 16,693.92 : x
  2. Step 2: Convert to fraction form
    22,361.40/30,810.06 = 16,693.92/x
  3. Step 3: Cross multiply
    22,361.40x = 30,810.06 × 16,693.92
  4. Step 4: Simplify right side
    22,361.40x = 514,340,676.84
  5. Step 5: Solve for x
    x = 514,340,676.84/22,361.40
  6. Step 6: Final answer
    x = 23,001.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.