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Finding the Fourth Proportional to 18,598.41, 25,662.60 and 10,641.22

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Solution

The fourth proportional to 18,598.41, 25,662.60 and 10,641.22 is: 14,683.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,598.41 : 25,662.60 = 10,641.22 : x
  2. Step 2: Convert to fraction form
    18,598.41/25,662.60 = 10,641.22/x
  3. Step 3: Cross multiply
    18,598.41x = 25,662.60 × 10,641.22
  4. Step 4: Simplify right side
    18,598.41x = 273,081,308.22
  5. Step 5: Solve for x
    x = 273,081,308.22/18,598.41
  6. Step 6: Final answer
    x = 14,683.05

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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.