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Finding the Fourth Proportional to 14,748.60, 20,353.41 and 8,034.60

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Solution

The fourth proportional to 14,748.60, 20,353.41 and 8,034.60 is: 11,087.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,748.60 : 20,353.41 = 8,034.60 : x
  2. Step 2: Convert to fraction form
    14,748.60/20,353.41 = 8,034.60/x
  3. Step 3: Cross multiply
    14,748.60x = 20,353.41 × 8,034.60
  4. Step 4: Simplify right side
    14,748.60x = 163,531,507.99
  5. Step 5: Solve for x
    x = 163,531,507.99/14,748.60
  6. Step 6: Final answer
    x = 11,087.93

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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.