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Finding the Fourth Proportional to 25,399, 35,042.52 and 16,453.36

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Solution

The fourth proportional to 25,399, 35,042.52 and 16,453.36 is: 22,700.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,399 : 35,042.52 = 16,453.36 : x
  2. Step 2: Convert to fraction form
    25,399/35,042.52 = 16,453.36/x
  3. Step 3: Cross multiply
    25,399x = 35,042.52 × 16,453.36
  4. Step 4: Simplify right side
    25,399x = 576,567,196.87
  5. Step 5: Solve for x
    x = 576,567,196.87/25,399
  6. Step 6: Final answer
    x = 22,700.39

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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.