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Finding the Fourth Proportional to 23,009.94, 34,507.44 and 7,423.92

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Solution

The fourth proportional to 23,009.94, 34,507.44 and 7,423.92 is: 11,133.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,009.94 : 34,507.44 = 7,423.92 : x
  2. Step 2: Convert to fraction form
    23,009.94/34,507.44 = 7,423.92/x
  3. Step 3: Cross multiply
    23,009.94x = 34,507.44 × 7,423.92
  4. Step 4: Simplify right side
    23,009.94x = 256,180,473.96
  5. Step 5: Solve for x
    x = 256,180,473.96/23,009.94
  6. Step 6: Final answer
    x = 11,133.47

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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.