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Finding the Fourth Proportional to 29,312.67, 43,971.60 and 8,252.90

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Solution

The fourth proportional to 29,312.67, 43,971.60 and 8,252.90 is: 12,380.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,312.67 : 43,971.60 = 8,252.90 : x
  2. Step 2: Convert to fraction form
    29,312.67/43,971.60 = 8,252.90/x
  3. Step 3: Cross multiply
    29,312.67x = 43,971.60 × 8,252.90
  4. Step 4: Simplify right side
    29,312.67x = 362,893,217.64
  5. Step 5: Solve for x
    x = 362,893,217.64/29,312.67
  6. Step 6: Final answer
    x = 12,380.08

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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.