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Finding the Fourth Proportional to 22,903.96, 34,345.98 and 7,912.64

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Solution

The fourth proportional to 22,903.96, 34,345.98 and 7,912.64 is: 11,865.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,903.96 : 34,345.98 = 7,912.64 : x
  2. Step 2: Convert to fraction form
    22,903.96/34,345.98 = 7,912.64/x
  3. Step 3: Cross multiply
    22,903.96x = 34,345.98 × 7,912.64
  4. Step 4: Simplify right side
    22,903.96x = 271,767,375.19
  5. Step 5: Solve for x
    x = 271,767,375.19/22,903.96
  6. Step 6: Final answer
    x = 11,865.52

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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.