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Finding the Fourth Proportional to 51,833.88, 71,530.86 and 29,477.88

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Solution

The fourth proportional to 51,833.88, 71,530.86 and 29,477.88 is: 40,679.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,833.88 : 71,530.86 = 29,477.88 : x
  2. Step 2: Convert to fraction form
    51,833.88/71,530.86 = 29,477.88/x
  3. Step 3: Cross multiply
    51,833.88x = 71,530.86 × 29,477.88
  4. Step 4: Simplify right side
    51,833.88x = 2,108,578,107.38
  5. Step 5: Solve for x
    x = 2,108,578,107.38/51,833.88
  6. Step 6: Final answer
    x = 40,679.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.