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Finding the Fourth Proportional to 16,707.30, 25,060.95 and 7,959.30

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Solution

The fourth proportional to 16,707.30, 25,060.95 and 7,959.30 is: 11,938.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,707.30 : 25,060.95 = 7,959.30 : x
  2. Step 2: Convert to fraction form
    16,707.30/25,060.95 = 7,959.30/x
  3. Step 3: Cross multiply
    16,707.30x = 25,060.95 × 7,959.30
  4. Step 4: Simplify right side
    16,707.30x = 199,467,619.34
  5. Step 5: Solve for x
    x = 199,467,619.34/16,707.30
  6. Step 6: Final answer
    x = 11,938.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.