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Finding the Fourth Proportional to 25,388.63, 38,092.07 and 11,347.49

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Solution

The fourth proportional to 25,388.63, 38,092.07 and 11,347.49 is: 17,025.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,388.63 : 38,092.07 = 11,347.49 : x
  2. Step 2: Convert to fraction form
    25,388.63/38,092.07 = 11,347.49/x
  3. Step 3: Cross multiply
    25,388.63x = 38,092.07 × 11,347.49
  4. Step 4: Simplify right side
    25,388.63x = 432,249,326.67
  5. Step 5: Solve for x
    x = 432,249,326.67/25,388.63
  6. Step 6: Final answer
    x = 17,025.31

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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.