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Finding the Fourth Proportional to 29,078.46, 43,625.25 and 8,303.58

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Solution

The fourth proportional to 29,078.46, 43,625.25 and 8,303.58 is: 12,457.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,078.46 : 43,625.25 = 8,303.58 : x
  2. Step 2: Convert to fraction form
    29,078.46/43,625.25 = 8,303.58/x
  3. Step 3: Cross multiply
    29,078.46x = 43,625.25 × 8,303.58
  4. Step 4: Simplify right side
    29,078.46x = 362,245,753.40
  5. Step 5: Solve for x
    x = 362,245,753.40/29,078.46
  6. Step 6: Final answer
    x = 12,457.53

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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.