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Finding the Fourth Proportional to 25,497.69, 35,187.99 and 14,167.20

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Solution

The fourth proportional to 25,497.69, 35,187.99 and 14,167.20 is: 19,551.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,497.69 : 35,187.99 = 14,167.20 : x
  2. Step 2: Convert to fraction form
    25,497.69/35,187.99 = 14,167.20/x
  3. Step 3: Cross multiply
    25,497.69x = 35,187.99 × 14,167.20
  4. Step 4: Simplify right side
    25,497.69x = 498,515,291.93
  5. Step 5: Solve for x
    x = 498,515,291.93/25,497.69
  6. Step 6: Final answer
    x = 19,551.39

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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.