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Finding the Fourth Proportional to 23,695.99, 32,700.53 and 12,940.96

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Solution

The fourth proportional to 23,695.99, 32,700.53 and 12,940.96 is: 17,858.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,695.99 : 32,700.53 = 12,940.96 : x
  2. Step 2: Convert to fraction form
    23,695.99/32,700.53 = 12,940.96/x
  3. Step 3: Cross multiply
    23,695.99x = 32,700.53 × 12,940.96
  4. Step 4: Simplify right side
    23,695.99x = 423,176,201.31
  5. Step 5: Solve for x
    x = 423,176,201.31/23,695.99
  6. Step 6: Final answer
    x = 17,858.56

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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.