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Finding the Fourth Proportional to 25,935.98, 35,791.47 and 14,605.49

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Solution

The fourth proportional to 25,935.98, 35,791.47 and 14,605.49 is: 20,155.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,935.98 : 35,791.47 = 14,605.49 : x
  2. Step 2: Convert to fraction form
    25,935.98/35,791.47 = 14,605.49/x
  3. Step 3: Cross multiply
    25,935.98x = 35,791.47 × 14,605.49
  4. Step 4: Simplify right side
    25,935.98x = 522,751,957.17
  5. Step 5: Solve for x
    x = 522,751,957.17/25,935.98
  6. Step 6: Final answer
    x = 20,155.47

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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.