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Finding the Fourth Proportional to 14,470.88, 19,967.28 and 8,883.68

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Solution

The fourth proportional to 14,470.88, 19,967.28 and 8,883.68 is: 12,257.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,470.88 : 19,967.28 = 8,883.68 : x
  2. Step 2: Convert to fraction form
    14,470.88/19,967.28 = 8,883.68/x
  3. Step 3: Cross multiply
    14,470.88x = 19,967.28 × 8,883.68
  4. Step 4: Simplify right side
    14,470.88x = 177,382,925.99
  5. Step 5: Solve for x
    x = 177,382,925.99/14,470.88
  6. Step 6: Final answer
    x = 12,257.92

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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.