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Finding the Fourth Proportional to 29,285.60, 43,928.40 and 9,559.40

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Solution

The fourth proportional to 29,285.60, 43,928.40 and 9,559.40 is: 14,339.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,285.60 : 43,928.40 = 9,559.40 : x
  2. Step 2: Convert to fraction form
    29,285.60/43,928.40 = 9,559.40/x
  3. Step 3: Cross multiply
    29,285.60x = 43,928.40 × 9,559.40
  4. Step 4: Simplify right side
    29,285.60x = 419,929,146.96
  5. Step 5: Solve for x
    x = 419,929,146.96/29,285.60
  6. Step 6: Final answer
    x = 14,339.10

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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.