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Finding the Fourth Proportional to 14,708.10, 20,296.10 and 8,334.80

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Solution

The fourth proportional to 14,708.10, 20,296.10 and 8,334.80 is: 11,501.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,708.10 : 20,296.10 = 8,334.80 : x
  2. Step 2: Convert to fraction form
    14,708.10/20,296.10 = 8,334.80/x
  3. Step 3: Cross multiply
    14,708.10x = 20,296.10 × 8,334.80
  4. Step 4: Simplify right side
    14,708.10x = 169,163,934.28
  5. Step 5: Solve for x
    x = 169,163,934.28/14,708.10
  6. Step 6: Final answer
    x = 11,501.41

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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.