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Finding the Fourth Proportional to 29,650.40, 44,464.80 and 9,929.60

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Solution

The fourth proportional to 29,650.40, 44,464.80 and 9,929.60 is: 14,890.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,650.40 : 44,464.80 = 9,929.60 : x
  2. Step 2: Convert to fraction form
    29,650.40/44,464.80 = 9,929.60/x
  3. Step 3: Cross multiply
    29,650.40x = 44,464.80 × 9,929.60
  4. Step 4: Simplify right side
    29,650.40x = 441,517,678.08
  5. Step 5: Solve for x
    x = 441,517,678.08/29,650.40
  6. Step 6: Final answer
    x = 14,890.78

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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.