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Finding the Fourth Proportional to 15,950.56, 23,925.52 and 7,179.28

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Solution

The fourth proportional to 15,950.56, 23,925.52 and 7,179.28 is: 10,768.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,950.56 : 23,925.52 = 7,179.28 : x
  2. Step 2: Convert to fraction form
    15,950.56/23,925.52 = 7,179.28/x
  3. Step 3: Cross multiply
    15,950.56x = 23,925.52 × 7,179.28
  4. Step 4: Simplify right side
    15,950.56x = 171,768,007.23
  5. Step 5: Solve for x
    x = 171,768,007.23/15,950.56
  6. Step 6: Final answer
    x = 10,768.78

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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.