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Finding the Fourth Proportional to 51,059.88, 70,457.40 and 29,836.44

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Solution

The fourth proportional to 51,059.88, 70,457.40 and 29,836.44 is: 41,171.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,059.88 : 70,457.40 = 29,836.44 : x
  2. Step 2: Convert to fraction form
    51,059.88/70,457.40 = 29,836.44/x
  3. Step 3: Cross multiply
    51,059.88x = 70,457.40 × 29,836.44
  4. Step 4: Simplify right side
    51,059.88x = 2,102,197,987.66
  5. Step 5: Solve for x
    x = 2,102,197,987.66/51,059.88
  6. Step 6: Final answer
    x = 41,171.23

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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.