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Finding the Fourth Proportional to 51,691.94, 71,329.54 and 29,033.40

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Solution

The fourth proportional to 51,691.94, 71,329.54 and 29,033.40 is: 40,063.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,691.94 : 71,329.54 = 29,033.40 : x
  2. Step 2: Convert to fraction form
    51,691.94/71,329.54 = 29,033.40/x
  3. Step 3: Cross multiply
    51,691.94x = 71,329.54 × 29,033.40
  4. Step 4: Simplify right side
    51,691.94x = 2,070,939,066.64
  5. Step 5: Solve for x
    x = 2,070,939,066.64/51,691.94
  6. Step 6: Final answer
    x = 40,063.09

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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.