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Finding the Fourth Proportional to 18,452.70, 25,465.32 and 10,494.72

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Solution

The fourth proportional to 18,452.70, 25,465.32 and 10,494.72 is: 14,483.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452.70 : 25,465.32 = 10,494.72 : x
  2. Step 2: Convert to fraction form
    18,452.70/25,465.32 = 10,494.72/x
  3. Step 3: Cross multiply
    18,452.70x = 25,465.32 × 10,494.72
  4. Step 4: Simplify right side
    18,452.70x = 267,251,403.11
  5. Step 5: Solve for x
    x = 267,251,403.11/18,452.70
  6. Step 6: Final answer
    x = 14,483.05

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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.