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Finding the Fourth Proportional to 18,446.42, 25,455.92 and 10,063.10

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Solution

The fourth proportional to 18,446.42, 25,455.92 and 10,063.10 is: 13,887.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,446.42 : 25,455.92 = 10,063.10 : x
  2. Step 2: Convert to fraction form
    18,446.42/25,455.92 = 10,063.10/x
  3. Step 3: Cross multiply
    18,446.42x = 25,455.92 × 10,063.10
  4. Step 4: Simplify right side
    18,446.42x = 256,165,468.55
  5. Step 5: Solve for x
    x = 256,165,468.55/18,446.42
  6. Step 6: Final answer
    x = 13,887.00

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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.