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Finding the Fourth Proportional to 26,888.25, 40,332.42 and 10,472.25

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Solution

The fourth proportional to 26,888.25, 40,332.42 and 10,472.25 is: 15,708.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,888.25 : 40,332.42 = 10,472.25 : x
  2. Step 2: Convert to fraction form
    26,888.25/40,332.42 = 10,472.25/x
  3. Step 3: Cross multiply
    26,888.25x = 40,332.42 × 10,472.25
  4. Step 4: Simplify right side
    26,888.25x = 422,371,185.35
  5. Step 5: Solve for x
    x = 422,371,185.35/26,888.25
  6. Step 6: Final answer
    x = 15,708.39

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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.