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Finding the Fourth Proportional to 10,600.60, 14,620.48 and 7,412.84

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Solution

The fourth proportional to 10,600.60, 14,620.48 and 7,412.84 is: 10,223.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,600.60 : 14,620.48 = 7,412.84 : x
  2. Step 2: Convert to fraction form
    10,600.60/14,620.48 = 7,412.84/x
  3. Step 3: Cross multiply
    10,600.60x = 14,620.48 × 7,412.84
  4. Step 4: Simplify right side
    10,600.60x = 108,379,278.96
  5. Step 5: Solve for x
    x = 108,379,278.96/10,600.60
  6. Step 6: Final answer
    x = 10,223.88

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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.