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Finding the Fourth Proportional to 25,935.45, 38,805.03 and 15,411.12

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Solution

The fourth proportional to 25,935.45, 38,805.03 and 15,411.12 is: 23,058.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,935.45 : 38,805.03 = 15,411.12 : x
  2. Step 2: Convert to fraction form
    25,935.45/38,805.03 = 15,411.12/x
  3. Step 3: Cross multiply
    25,935.45x = 38,805.03 × 15,411.12
  4. Step 4: Simplify right side
    25,935.45x = 598,028,973.93
  5. Step 5: Solve for x
    x = 598,028,973.93/25,935.45
  6. Step 6: Final answer
    x = 23,058.36

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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.