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Finding the Fourth Proportional to 7,952.67, 11,929.22 and 4,440.72

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Solution

The fourth proportional to 7,952.67, 11,929.22 and 4,440.72 is: 6,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,952.67 : 11,929.22 = 4,440.72 : x
  2. Step 2: Convert to fraction form
    7,952.67/11,929.22 = 4,440.72/x
  3. Step 3: Cross multiply
    7,952.67x = 11,929.22 × 4,440.72
  4. Step 4: Simplify right side
    7,952.67x = 52,974,303.63
  5. Step 5: Solve for x
    x = 52,974,303.63/7,952.67
  6. Step 6: Final answer
    x = 6,661.20

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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.