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Finding the Fourth Proportional to 34,892.80, 51,969.72 and 34,722.88

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Solution

The fourth proportional to 34,892.80, 51,969.72 and 34,722.88 is: 51,716.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,892.80 : 51,969.72 = 34,722.88 : x
  2. Step 2: Convert to fraction form
    34,892.80/51,969.72 = 34,722.88/x
  3. Step 3: Cross multiply
    34,892.80x = 51,969.72 × 34,722.88
  4. Step 4: Simplify right side
    34,892.80x = 1,804,538,351.19
  5. Step 5: Solve for x
    x = 1,804,538,351.19/34,892.80
  6. Step 6: Final answer
    x = 51,716.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.