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Finding the Fourth Proportional to 13,334.48, 19,995 and 4,446.66

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Solution

The fourth proportional to 13,334.48, 19,995 and 4,446.66 is: 6,667.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.48 : 19,995 = 4,446.66 : x
  2. Step 2: Convert to fraction form
    13,334.48/19,995 = 4,446.66/x
  3. Step 3: Cross multiply
    13,334.48x = 19,995 × 4,446.66
  4. Step 4: Simplify right side
    13,334.48x = 88,910,966.70
  5. Step 5: Solve for x
    x = 88,910,966.70/13,334.48
  6. Step 6: Final answer
    x = 6,667.75

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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.