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Finding the Fourth Proportional to 14,459.88, 19,949.66 and 8,792.86

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Solution

The fourth proportional to 14,459.88, 19,949.66 and 8,792.86 is: 12,131.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,459.88 : 19,949.66 = 8,792.86 : x
  2. Step 2: Convert to fraction form
    14,459.88/19,949.66 = 8,792.86/x
  3. Step 3: Cross multiply
    14,459.88x = 19,949.66 × 8,792.86
  4. Step 4: Simplify right side
    14,459.88x = 175,414,567.43
  5. Step 5: Solve for x
    x = 175,414,567.43/14,459.88
  6. Step 6: Final answer
    x = 12,131.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.