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Finding the Fourth Proportional to 13,344.60, 20,060.10 and 9,475.80

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Solution

The fourth proportional to 13,344.60, 20,060.10 and 9,475.80 is: 14,244.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344.60 : 20,060.10 = 9,475.80 : x
  2. Step 2: Convert to fraction form
    13,344.60/20,060.10 = 9,475.80/x
  3. Step 3: Cross multiply
    13,344.60x = 20,060.10 × 9,475.80
  4. Step 4: Simplify right side
    13,344.60x = 190,085,495.58
  5. Step 5: Solve for x
    x = 190,085,495.58/13,344.60
  6. Step 6: Final answer
    x = 14,244.38

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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.