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Finding the Fourth Proportional to 13,052.48, 18,012.08 and 7,674.99

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Solution

The fourth proportional to 13,052.48, 18,012.08 and 7,674.99 is: 10,591.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052.48 : 18,012.08 = 7,674.99 : x
  2. Step 2: Convert to fraction form
    13,052.48/18,012.08 = 7,674.99/x
  3. Step 3: Cross multiply
    13,052.48x = 18,012.08 × 7,674.99
  4. Step 4: Simplify right side
    13,052.48x = 138,242,533.88
  5. Step 5: Solve for x
    x = 138,242,533.88/13,052.48
  6. Step 6: Final answer
    x = 10,591.28

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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.