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Finding the Fourth Proportional to 18,442.66, 25,449.16 and 10,483.33

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Solution

The fourth proportional to 18,442.66, 25,449.16 and 10,483.33 is: 14,466.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442.66 : 25,449.16 = 10,483.33 : x
  2. Step 2: Convert to fraction form
    18,442.66/25,449.16 = 10,483.33/x
  3. Step 3: Cross multiply
    18,442.66x = 25,449.16 × 10,483.33
  4. Step 4: Simplify right side
    18,442.66x = 266,791,789.05
  5. Step 5: Solve for x
    x = 266,791,789.05/18,442.66
  6. Step 6: Final answer
    x = 14,466.02

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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.