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Finding the Fourth Proportional to 19,563.42, 27,003.06 and 16,035.06

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Solution

The fourth proportional to 19,563.42, 27,003.06 and 16,035.06 is: 22,132.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,563.42 : 27,003.06 = 16,035.06 : x
  2. Step 2: Convert to fraction form
    19,563.42/27,003.06 = 16,035.06/x
  3. Step 3: Cross multiply
    19,563.42x = 27,003.06 × 16,035.06
  4. Step 4: Simplify right side
    19,563.42x = 432,995,687.28
  5. Step 5: Solve for x
    x = 432,995,687.28/19,563.42
  6. Step 6: Final answer
    x = 22,132.92

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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.