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Finding the Fourth Proportional to 19,833.98, 29,750.90 and 5,043.11

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Solution

The fourth proportional to 19,833.98, 29,750.90 and 5,043.11 is: 7,564.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,833.98 : 29,750.90 = 5,043.11 : x
  2. Step 2: Convert to fraction form
    19,833.98/29,750.90 = 5,043.11/x
  3. Step 3: Cross multiply
    19,833.98x = 29,750.90 × 5,043.11
  4. Step 4: Simplify right side
    19,833.98x = 150,036,887.33
  5. Step 5: Solve for x
    x = 150,036,887.33/19,833.98
  6. Step 6: Final answer
    x = 7,564.64

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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.