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Finding the Fourth Proportional to 18,549.96, 25,607.81 and 10,590.64

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Solution

The fourth proportional to 18,549.96, 25,607.81 and 10,590.64 is: 14,620.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,549.96 : 25,607.81 = 10,590.64 : x
  2. Step 2: Convert to fraction form
    18,549.96/25,607.81 = 10,590.64/x
  3. Step 3: Cross multiply
    18,549.96x = 25,607.81 × 10,590.64
  4. Step 4: Simplify right side
    18,549.96x = 271,203,096.90
  5. Step 5: Solve for x
    x = 271,203,096.90/18,549.96
  6. Step 6: Final answer
    x = 14,620.14

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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.