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Finding the Fourth Proportional to 18,341.71, 27,485.60 and 10,837.55

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Solution

The fourth proportional to 18,341.71, 27,485.60 and 10,837.55 is: 16,240.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,341.71 : 27,485.60 = 10,837.55 : x
  2. Step 2: Convert to fraction form
    18,341.71/27,485.60 = 10,837.55/x
  3. Step 3: Cross multiply
    18,341.71x = 27,485.60 × 10,837.55
  4. Step 4: Simplify right side
    18,341.71x = 297,876,578.81
  5. Step 5: Solve for x
    x = 297,876,578.81/18,341.71
  6. Step 6: Final answer
    x = 16,240.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.