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Finding the Fourth Proportional to 13,473.32, 18,593.76 and 7,504.99

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Solution

The fourth proportional to 13,473.32, 18,593.76 and 7,504.99 is: 10,357.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,473.32 : 18,593.76 = 7,504.99 : x
  2. Step 2: Convert to fraction form
    13,473.32/18,593.76 = 7,504.99/x
  3. Step 3: Cross multiply
    13,473.32x = 18,593.76 × 7,504.99
  4. Step 4: Simplify right side
    13,473.32x = 139,546,037.69
  5. Step 5: Solve for x
    x = 139,546,037.69/13,473.32
  6. Step 6: Final answer
    x = 10,357.21

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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.