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Finding the Fourth Proportional to 19,955.36, 29,923.06 and 6,803.12

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Solution

The fourth proportional to 19,955.36, 29,923.06 and 6,803.12 is: 10,201.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955.36 : 29,923.06 = 6,803.12 : x
  2. Step 2: Convert to fraction form
    19,955.36/29,923.06 = 6,803.12/x
  3. Step 3: Cross multiply
    19,955.36x = 29,923.06 × 6,803.12
  4. Step 4: Simplify right side
    19,955.36x = 203,570,167.95
  5. Step 5: Solve for x
    x = 203,570,167.95/19,955.36
  6. Step 6: Final answer
    x = 10,201.28

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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.