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Finding the Fourth Proportional to 13,496.23, 18,624.86 and 7,446.68

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Solution

The fourth proportional to 13,496.23, 18,624.86 and 7,446.68 is: 10,276.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,496.23 : 18,624.86 = 7,446.68 : x
  2. Step 2: Convert to fraction form
    13,496.23/18,624.86 = 7,446.68/x
  3. Step 3: Cross multiply
    13,496.23x = 18,624.86 × 7,446.68
  4. Step 4: Simplify right side
    13,496.23x = 138,693,344.52
  5. Step 5: Solve for x
    x = 138,693,344.52/13,496.23
  6. Step 6: Final answer
    x = 10,276.45

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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.