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Finding the Fourth Proportional to 14,668.34, 21,999.11 and 8,746.88

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Solution

The fourth proportional to 14,668.34, 21,999.11 and 8,746.88 is: 13,118.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,668.34 : 21,999.11 = 8,746.88 : x
  2. Step 2: Convert to fraction form
    14,668.34/21,999.11 = 8,746.88/x
  3. Step 3: Cross multiply
    14,668.34x = 21,999.11 × 8,746.88
  4. Step 4: Simplify right side
    14,668.34x = 192,423,421.55
  5. Step 5: Solve for x
    x = 192,423,421.55/14,668.34
  6. Step 6: Final answer
    x = 13,118.29

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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.