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Finding the Fourth Proportional to 34,133.01, 51,222.74 and 20,945.13

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Solution

The fourth proportional to 34,133.01, 51,222.74 and 20,945.13 is: 31,431.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,133.01 : 51,222.74 = 20,945.13 : x
  2. Step 2: Convert to fraction form
    34,133.01/51,222.74 = 20,945.13/x
  3. Step 3: Cross multiply
    34,133.01x = 51,222.74 × 20,945.13
  4. Step 4: Simplify right side
    34,133.01x = 1,072,866,843.53
  5. Step 5: Solve for x
    x = 1,072,866,843.53/34,133.01
  6. Step 6: Final answer
    x = 31,431.94

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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.