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Finding the Fourth Proportional to 16,959.70, 25,451.70 and 9,556.30

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Solution

The fourth proportional to 16,959.70, 25,451.70 and 9,556.30 is: 14,341.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,959.70 : 25,451.70 = 9,556.30 : x
  2. Step 2: Convert to fraction form
    16,959.70/25,451.70 = 9,556.30/x
  3. Step 3: Cross multiply
    16,959.70x = 25,451.70 × 9,556.30
  4. Step 4: Simplify right side
    16,959.70x = 243,224,080.71
  5. Step 5: Solve for x
    x = 243,224,080.71/16,959.70
  6. Step 6: Final answer
    x = 14,341.30

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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.