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Finding the Fourth Proportional to 10,199.99, 14,073.91 and 7,371.67

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Solution

The fourth proportional to 10,199.99, 14,073.91 and 7,371.67 is: 10,171.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,199.99 : 14,073.91 = 7,371.67 : x
  2. Step 2: Convert to fraction form
    10,199.99/14,073.91 = 7,371.67/x
  3. Step 3: Cross multiply
    10,199.99x = 14,073.91 × 7,371.67
  4. Step 4: Simplify right side
    10,199.99x = 103,748,220.13
  5. Step 5: Solve for x
    x = 103,748,220.13/10,199.99
  6. Step 6: Final answer
    x = 10,171.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.