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Finding the Fourth Proportional to 17,406.60, 26,081.10 and 14,929.80

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Solution

The fourth proportional to 17,406.60, 26,081.10 and 14,929.80 is: 22,370.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,406.60 : 26,081.10 = 14,929.80 : x
  2. Step 2: Convert to fraction form
    17,406.60/26,081.10 = 14,929.80/x
  3. Step 3: Cross multiply
    17,406.60x = 26,081.10 × 14,929.80
  4. Step 4: Simplify right side
    17,406.60x = 389,385,606.78
  5. Step 5: Solve for x
    x = 389,385,606.78/17,406.60
  6. Step 6: Final answer
    x = 22,370.00

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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.