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Finding the Fourth Proportional to 25,409.32, 35,042.01 and 16,447.48

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Solution

The fourth proportional to 25,409.32, 35,042.01 and 16,447.48 is: 22,682.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,409.32 : 35,042.01 = 16,447.48 : x
  2. Step 2: Convert to fraction form
    25,409.32/35,042.01 = 16,447.48/x
  3. Step 3: Cross multiply
    25,409.32x = 35,042.01 × 16,447.48
  4. Step 4: Simplify right side
    25,409.32x = 576,352,758.63
  5. Step 5: Solve for x
    x = 576,352,758.63/25,409.32
  6. Step 6: Final answer
    x = 22,682.73

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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.