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Finding the Fourth Proportional to 14,801.27, 20,416.07 and 8,828.94

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Solution

The fourth proportional to 14,801.27, 20,416.07 and 8,828.94 is: 12,178.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,801.27 : 20,416.07 = 8,828.94 : x
  2. Step 2: Convert to fraction form
    14,801.27/20,416.07 = 8,828.94/x
  3. Step 3: Cross multiply
    14,801.27x = 20,416.07 × 8,828.94
  4. Step 4: Simplify right side
    14,801.27x = 180,252,279.14
  5. Step 5: Solve for x
    x = 180,252,279.14/14,801.27
  6. Step 6: Final answer
    x = 12,178.16

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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.