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Finding the Fourth Proportional to 17,166.30, 25,792.65 and 10,929.30

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Solution

The fourth proportional to 17,166.30, 25,792.65 and 10,929.30 is: 16,421.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,166.30 : 25,792.65 = 10,929.30 : x
  2. Step 2: Convert to fraction form
    17,166.30/25,792.65 = 10,929.30/x
  3. Step 3: Cross multiply
    17,166.30x = 25,792.65 × 10,929.30
  4. Step 4: Simplify right side
    17,166.30x = 281,895,609.65
  5. Step 5: Solve for x
    x = 281,895,609.65/17,166.30
  6. Step 6: Final answer
    x = 16,421.45

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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.