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Finding the Fourth Proportional to 29,808.47, 44,712.52 and 7,621.80

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Solution

The fourth proportional to 29,808.47, 44,712.52 and 7,621.80 is: 11,432.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,808.47 : 44,712.52 = 7,621.80 : x
  2. Step 2: Convert to fraction form
    29,808.47/44,712.52 = 7,621.80/x
  3. Step 3: Cross multiply
    29,808.47x = 44,712.52 × 7,621.80
  4. Step 4: Simplify right side
    29,808.47x = 340,789,865.88
  5. Step 5: Solve for x
    x = 340,789,865.88/29,808.47
  6. Step 6: Final answer
    x = 11,432.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.