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Finding the Fourth Proportional to 19,574.46, 29,341.98 and 11,251.98

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Solution

The fourth proportional to 19,574.46, 29,341.98 and 11,251.98 is: 16,866.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,574.46 : 29,341.98 = 11,251.98 : x
  2. Step 2: Convert to fraction form
    19,574.46/29,341.98 = 11,251.98/x
  3. Step 3: Cross multiply
    19,574.46x = 29,341.98 × 11,251.98
  4. Step 4: Simplify right side
    19,574.46x = 330,155,372.12
  5. Step 5: Solve for x
    x = 330,155,372.12/19,574.46
  6. Step 6: Final answer
    x = 16,866.64

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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.