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Finding the Fourth Proportional to 25,824.76, 38,743.62 and 7,356.76

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Solution

The fourth proportional to 25,824.76, 38,743.62 and 7,356.76 is: 11,036.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,824.76 : 38,743.62 = 7,356.76 : x
  2. Step 2: Convert to fraction form
    25,824.76/38,743.62 = 7,356.76/x
  3. Step 3: Cross multiply
    25,824.76x = 38,743.62 × 7,356.76
  4. Step 4: Simplify right side
    25,824.76x = 285,027,513.87
  5. Step 5: Solve for x
    x = 285,027,513.87/25,824.76
  6. Step 6: Final answer
    x = 11,036.99

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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.