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Finding the Fourth Proportional to 17,813.40, 26,720.10 and 4,667.10

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Solution

The fourth proportional to 17,813.40, 26,720.10 and 4,667.10 is: 7,000.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,813.40 : 26,720.10 = 4,667.10 : x
  2. Step 2: Convert to fraction form
    17,813.40/26,720.10 = 4,667.10/x
  3. Step 3: Cross multiply
    17,813.40x = 26,720.10 × 4,667.10
  4. Step 4: Simplify right side
    17,813.40x = 124,705,378.71
  5. Step 5: Solve for x
    x = 124,705,378.71/17,813.40
  6. Step 6: Final answer
    x = 7,000.65

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Similar ratio
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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.