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Finding the Fourth Proportional to 29,815.46, 44,722.71 and 7,628.64

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Solution

The fourth proportional to 29,815.46, 44,722.71 and 7,628.64 is: 11,442.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,815.46 : 44,722.71 = 7,628.64 : x
  2. Step 2: Convert to fraction form
    29,815.46/44,722.71 = 7,628.64/x
  3. Step 3: Cross multiply
    29,815.46x = 44,722.71 × 7,628.64
  4. Step 4: Simplify right side
    29,815.46x = 341,173,454.41
  5. Step 5: Solve for x
    x = 341,173,454.41/29,815.46
  6. Step 6: Final answer
    x = 11,442.84

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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.