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Finding the Fourth Proportional to 11,882.04, 17,808.48 and 8,606.40

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Solution

The fourth proportional to 11,882.04, 17,808.48 and 8,606.40 is: 12,899.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,882.04 : 17,808.48 = 8,606.40 : x
  2. Step 2: Convert to fraction form
    11,882.04/17,808.48 = 8,606.40/x
  3. Step 3: Cross multiply
    11,882.04x = 17,808.48 × 8,606.40
  4. Step 4: Simplify right side
    11,882.04x = 153,266,902.27
  5. Step 5: Solve for x
    x = 153,266,902.27/11,882.04
  6. Step 6: Final answer
    x = 12,899.04

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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.