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Finding the Fourth Proportional to 51,703.92, 71,351.37 and 29,347.92

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Solution

The fourth proportional to 51,703.92, 71,351.37 and 29,347.92 is: 40,500.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,703.92 : 71,351.37 = 29,347.92 : x
  2. Step 2: Convert to fraction form
    51,703.92/71,351.37 = 29,347.92/x
  3. Step 3: Cross multiply
    51,703.92x = 71,351.37 × 29,347.92
  4. Step 4: Simplify right side
    51,703.92x = 2,094,014,298.65
  5. Step 5: Solve for x
    x = 2,094,014,298.65/51,703.92
  6. Step 6: Final answer
    x = 40,500.11

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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.