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Finding the Fourth Proportional to 51,652.69, 71,280.71 and 29,296.69

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Solution

The fourth proportional to 51,652.69, 71,280.71 and 29,296.69 is: 40,429.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,652.69 : 71,280.71 = 29,296.69 : x
  2. Step 2: Convert to fraction form
    51,652.69/71,280.71 = 29,296.69/x
  3. Step 3: Cross multiply
    51,652.69x = 71,280.71 × 29,296.69
  4. Step 4: Simplify right side
    51,652.69x = 2,088,288,649.03
  5. Step 5: Solve for x
    x = 2,088,288,649.03/51,652.69
  6. Step 6: Final answer
    x = 40,429.43

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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.