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Finding the Fourth Proportional to 13,052.88, 18,012.99 and 7,463.88

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Solution

The fourth proportional to 13,052.88, 18,012.99 and 7,463.88 is: 10,300.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052.88 : 18,012.99 = 7,463.88 : x
  2. Step 2: Convert to fraction form
    13,052.88/18,012.99 = 7,463.88/x
  3. Step 3: Cross multiply
    13,052.88x = 18,012.99 × 7,463.88
  4. Step 4: Simplify right side
    13,052.88x = 134,446,705.74
  5. Step 5: Solve for x
    x = 134,446,705.74/13,052.88
  6. Step 6: Final answer
    x = 10,300.16

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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.