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Finding the Fourth Proportional to 23,845.79, 32,906.79 and 13,235.20

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Solution

The fourth proportional to 23,845.79, 32,906.79 and 13,235.20 is: 18,264.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,845.79 : 32,906.79 = 13,235.20 : x
  2. Step 2: Convert to fraction form
    23,845.79/32,906.79 = 13,235.20/x
  3. Step 3: Cross multiply
    23,845.79x = 32,906.79 × 13,235.20
  4. Step 4: Simplify right side
    23,845.79x = 435,527,864.74
  5. Step 5: Solve for x
    x = 435,527,864.74/23,845.79
  6. Step 6: Final answer
    x = 18,264.35

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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.