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Finding the Fourth Proportional to 19,371.81, 29,068.79 and 16,124.25

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Solution

The fourth proportional to 19,371.81, 29,068.79 and 16,124.25 is: 24,195.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,371.81 : 29,068.79 = 16,124.25 : x
  2. Step 2: Convert to fraction form
    19,371.81/29,068.79 = 16,124.25/x
  3. Step 3: Cross multiply
    19,371.81x = 29,068.79 × 16,124.25
  4. Step 4: Simplify right side
    19,371.81x = 468,712,356.54
  5. Step 5: Solve for x
    x = 468,712,356.54/19,371.81
  6. Step 6: Final answer
    x = 24,195.59

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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.