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Finding the Fourth Proportional to 12,792.59, 19,153.03 and 9,662.75

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Solution

The fourth proportional to 12,792.59, 19,153.03 and 9,662.75 is: 14,467.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,792.59 : 19,153.03 = 9,662.75 : x
  2. Step 2: Convert to fraction form
    12,792.59/19,153.03 = 9,662.75/x
  3. Step 3: Cross multiply
    12,792.59x = 19,153.03 × 9,662.75
  4. Step 4: Simplify right side
    12,792.59x = 185,070,844.87
  5. Step 5: Solve for x
    x = 185,070,844.87/12,792.59
  6. Step 6: Final answer
    x = 14,467.04

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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.