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Finding the Fourth Proportional to 29,280.40, 43,928.76 and 9,560.14

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Solution

The fourth proportional to 29,280.40, 43,928.76 and 9,560.14 is: 14,342.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,280.40 : 43,928.76 = 9,560.14 : x
  2. Step 2: Convert to fraction form
    29,280.40/43,928.76 = 9,560.14/x
  3. Step 3: Cross multiply
    29,280.40x = 43,928.76 × 9,560.14
  4. Step 4: Simplify right side
    29,280.40x = 419,965,095.63
  5. Step 5: Solve for x
    x = 419,965,095.63/29,280.40
  6. Step 6: Final answer
    x = 14,342.87

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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.