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Finding the Fourth Proportional to 23,651.31, 35,480.40 and 7,009.20

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Solution

The fourth proportional to 23,651.31, 35,480.40 and 7,009.20 is: 10,514.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,651.31 : 35,480.40 = 7,009.20 : x
  2. Step 2: Convert to fraction form
    23,651.31/35,480.40 = 7,009.20/x
  3. Step 3: Cross multiply
    23,651.31x = 35,480.40 × 7,009.20
  4. Step 4: Simplify right side
    23,651.31x = 248,689,219.68
  5. Step 5: Solve for x
    x = 248,689,219.68/23,651.31
  6. Step 6: Final answer
    x = 10,514.82

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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.