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Finding the Fourth Proportional to 18,337.68, 27,506.16 and 4,486.68

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Solution

The fourth proportional to 18,337.68, 27,506.16 and 4,486.68 is: 6,729.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,337.68 : 27,506.16 = 4,486.68 : x
  2. Step 2: Convert to fraction form
    18,337.68/27,506.16 = 4,486.68/x
  3. Step 3: Cross multiply
    18,337.68x = 27,506.16 × 4,486.68
  4. Step 4: Simplify right side
    18,337.68x = 123,411,337.95
  5. Step 5: Solve for x
    x = 123,411,337.95/18,337.68
  6. Step 6: Final answer
    x = 6,729.93

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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.