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Finding the Fourth Proportional to 9,920.88, 14,883.27 and 3,348.94

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Solution

The fourth proportional to 9,920.88, 14,883.27 and 3,348.94 is: 5,024.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,920.88 : 14,883.27 = 3,348.94 : x
  2. Step 2: Convert to fraction form
    9,920.88/14,883.27 = 3,348.94/x
  3. Step 3: Cross multiply
    9,920.88x = 14,883.27 × 3,348.94
  4. Step 4: Simplify right side
    9,920.88x = 49,843,178.23
  5. Step 5: Solve for x
    x = 49,843,178.23/9,920.88
  6. Step 6: Final answer
    x = 5,024.07

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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.