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Finding the Fourth Proportional to 13,473.68, 18,593.10 and 7,505.99

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Solution

The fourth proportional to 13,473.68, 18,593.10 and 7,505.99 is: 10,357.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,473.68 : 18,593.10 = 7,505.99 : x
  2. Step 2: Convert to fraction form
    13,473.68/18,593.10 = 7,505.99/x
  3. Step 3: Cross multiply
    13,473.68x = 18,593.10 × 7,505.99
  4. Step 4: Simplify right side
    13,473.68x = 139,559,622.67
  5. Step 5: Solve for x
    x = 139,559,622.67/13,473.68
  6. Step 6: Final answer
    x = 10,357.94

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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.