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Finding the Fourth Proportional to 23,859.50, 32,895.11 and 15,346.40

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Solution

The fourth proportional to 23,859.50, 32,895.11 and 15,346.40 is: 21,158.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,859.50 : 32,895.11 = 15,346.40 : x
  2. Step 2: Convert to fraction form
    23,859.50/32,895.11 = 15,346.40/x
  3. Step 3: Cross multiply
    23,859.50x = 32,895.11 × 15,346.40
  4. Step 4: Simplify right side
    23,859.50x = 504,821,389.99
  5. Step 5: Solve for x
    x = 504,821,389.99/23,859.50
  6. Step 6: Final answer
    x = 21,158.09

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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.