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Finding the Fourth Proportional to 51,425.10, 70,965.27 and 29,069.10

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Solution

The fourth proportional to 51,425.10, 70,965.27 and 29,069.10 is: 40,114.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,425.10 : 70,965.27 = 29,069.10 : x
  2. Step 2: Convert to fraction form
    51,425.10/70,965.27 = 29,069.10/x
  3. Step 3: Cross multiply
    51,425.10x = 70,965.27 × 29,069.10
  4. Step 4: Simplify right side
    51,425.10x = 2,062,896,530.16
  5. Step 5: Solve for x
    x = 2,062,896,530.16/51,425.10
  6. Step 6: Final answer
    x = 40,114.58

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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.