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Finding the Fourth Proportional to 18,337.60, 27,506.48 and 4,486.64

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Solution

The fourth proportional to 18,337.60, 27,506.48 and 4,486.64 is: 6,729.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,337.60 : 27,506.48 = 4,486.64 : x
  2. Step 2: Convert to fraction form
    18,337.60/27,506.48 = 4,486.64/x
  3. Step 3: Cross multiply
    18,337.60x = 27,506.48 × 4,486.64
  4. Step 4: Simplify right side
    18,337.60x = 123,411,673.43
  5. Step 5: Solve for x
    x = 123,411,673.43/18,337.60
  6. Step 6: Final answer
    x = 6,729.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.