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Finding the Fourth Proportional to 9,929.48, 14,951.92 and 7,174.94

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Solution

The fourth proportional to 9,929.48, 14,951.92 and 7,174.94 is: 10,804.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,929.48 : 14,951.92 = 7,174.94 : x
  2. Step 2: Convert to fraction form
    9,929.48/14,951.92 = 7,174.94/x
  3. Step 3: Cross multiply
    9,929.48x = 14,951.92 × 7,174.94
  4. Step 4: Simplify right side
    9,929.48x = 107,279,093.01
  5. Step 5: Solve for x
    x = 107,279,093.01/9,929.48
  6. Step 6: Final answer
    x = 10,804.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.