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Finding the Fourth Proportional to 18,097.56, 24,977.16 and 13,077.99

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Solution

The fourth proportional to 18,097.56, 24,977.16 and 13,077.99 is: 18,049.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,097.56 : 24,977.16 = 13,077.99 : x
  2. Step 2: Convert to fraction form
    18,097.56/24,977.16 = 13,077.99/x
  3. Step 3: Cross multiply
    18,097.56x = 24,977.16 × 13,077.99
  4. Step 4: Simplify right side
    18,097.56x = 326,651,048.71
  5. Step 5: Solve for x
    x = 326,651,048.71/18,097.56
  6. Step 6: Final answer
    x = 18,049.45

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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.