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Finding the Fourth Proportional to 34,338.70, 51,410.76 and 21,827.62

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Solution

The fourth proportional to 34,338.70, 51,410.76 and 21,827.62 is: 32,679.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,338.70 : 51,410.76 = 21,827.62 : x
  2. Step 2: Convert to fraction form
    34,338.70/51,410.76 = 21,827.62/x
  3. Step 3: Cross multiply
    34,338.70x = 51,410.76 × 21,827.62
  4. Step 4: Simplify right side
    34,338.70x = 1,122,174,533.19
  5. Step 5: Solve for x
    x = 1,122,174,533.19/34,338.70
  6. Step 6: Final answer
    x = 32,679.59

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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.