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Finding the Fourth Proportional to 11,673.99, 17,510.04 and 4,278.15

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Solution

The fourth proportional to 11,673.99, 17,510.04 and 4,278.15 is: 6,416.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,673.99 : 17,510.04 = 4,278.15 : x
  2. Step 2: Convert to fraction form
    11,673.99/17,510.04 = 4,278.15/x
  3. Step 3: Cross multiply
    11,673.99x = 17,510.04 × 4,278.15
  4. Step 4: Simplify right side
    11,673.99x = 74,910,577.63
  5. Step 5: Solve for x
    x = 74,910,577.63/11,673.99
  6. Step 6: Final answer
    x = 6,416.88

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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.