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Finding the Fourth Proportional to 18,124.29, 27,184.01 and 7,029.99

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Solution

The fourth proportional to 18,124.29, 27,184.01 and 7,029.99 is: 10,544.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,124.29 : 27,184.01 = 7,029.99 : x
  2. Step 2: Convert to fraction form
    18,124.29/27,184.01 = 7,029.99/x
  3. Step 3: Cross multiply
    18,124.29x = 27,184.01 × 7,029.99
  4. Step 4: Simplify right side
    18,124.29x = 191,103,283.31
  5. Step 5: Solve for x
    x = 191,103,283.31/18,124.29
  6. Step 6: Final answer
    x = 10,544.04

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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.