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Finding the Fourth Proportional to 29,084.40, 43,626.60 and 8,307.90

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Solution

The fourth proportional to 29,084.40, 43,626.60 and 8,307.90 is: 12,461.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,084.40 : 43,626.60 = 8,307.90 : x
  2. Step 2: Convert to fraction form
    29,084.40/43,626.60 = 8,307.90/x
  3. Step 3: Cross multiply
    29,084.40x = 43,626.60 × 8,307.90
  4. Step 4: Simplify right side
    29,084.40x = 362,445,430.14
  5. Step 5: Solve for x
    x = 362,445,430.14/29,084.40
  6. Step 6: Final answer
    x = 12,461.85

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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.