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Finding the Fourth Proportional to 23,409.42, 32,305.03 and 13,337.42

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Solution

The fourth proportional to 23,409.42, 32,305.03 and 13,337.42 is: 18,405.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,409.42 : 32,305.03 = 13,337.42 : x
  2. Step 2: Convert to fraction form
    23,409.42/32,305.03 = 13,337.42/x
  3. Step 3: Cross multiply
    23,409.42x = 32,305.03 × 13,337.42
  4. Step 4: Simplify right side
    23,409.42x = 430,865,753.22
  5. Step 5: Solve for x
    x = 430,865,753.22/23,409.42
  6. Step 6: Final answer
    x = 18,405.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.