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Finding the Fourth Proportional to 23,670, 32,666.76 and 13,601.52

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Solution

The fourth proportional to 23,670, 32,666.76 and 13,601.52 is: 18,771.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,670 : 32,666.76 = 13,601.52 : x
  2. Step 2: Convert to fraction form
    23,670/32,666.76 = 13,601.52/x
  3. Step 3: Cross multiply
    23,670x = 32,666.76 × 13,601.52
  4. Step 4: Simplify right side
    23,670x = 444,317,589.48
  5. Step 5: Solve for x
    x = 444,317,589.48/23,670
  6. Step 6: Final answer
    x = 18,771.34

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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.