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Finding the Fourth Proportional to 7,950.56, 11,929.44 and 4,055.20

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Solution

The fourth proportional to 7,950.56, 11,929.44 and 4,055.20 is: 6,084.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,950.56 : 11,929.44 = 4,055.20 : x
  2. Step 2: Convert to fraction form
    7,950.56/11,929.44 = 4,055.20/x
  3. Step 3: Cross multiply
    7,950.56x = 11,929.44 × 4,055.20
  4. Step 4: Simplify right side
    7,950.56x = 48,376,265.09
  5. Step 5: Solve for x
    x = 48,376,265.09/7,950.56
  6. Step 6: Final answer
    x = 6,084.64

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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.