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Finding the Fourth Proportional to 18,087.60, 24,950.48 and 13,046.16

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Solution

The fourth proportional to 18,087.60, 24,950.48 and 13,046.16 is: 17,996.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,087.60 : 24,950.48 = 13,046.16 : x
  2. Step 2: Convert to fraction form
    18,087.60/24,950.48 = 13,046.16/x
  3. Step 3: Cross multiply
    18,087.60x = 24,950.48 × 13,046.16
  4. Step 4: Simplify right side
    18,087.60x = 325,507,954.16
  5. Step 5: Solve for x
    x = 325,507,954.16/18,087.60
  6. Step 6: Final answer
    x = 17,996.19

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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.