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Finding the Fourth Proportional to 14,468.88, 19,964.52 and 8,881.68

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Solution

The fourth proportional to 14,468.88, 19,964.52 and 8,881.68 is: 12,255.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,468.88 : 19,964.52 = 8,881.68 : x
  2. Step 2: Convert to fraction form
    14,468.88/19,964.52 = 8,881.68/x
  3. Step 3: Cross multiply
    14,468.88x = 19,964.52 × 8,881.68
  4. Step 4: Simplify right side
    14,468.88x = 177,318,477.99
  5. Step 5: Solve for x
    x = 177,318,477.99/14,468.88
  6. Step 6: Final answer
    x = 12,255.16

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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.