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Finding the Fourth Proportional to 14,352.73, 19,807.03 and 7,979.85

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Solution

The fourth proportional to 14,352.73, 19,807.03 and 7,979.85 is: 11,012.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,352.73 : 19,807.03 = 7,979.85 : x
  2. Step 2: Convert to fraction form
    14,352.73/19,807.03 = 7,979.85/x
  3. Step 3: Cross multiply
    14,352.73x = 19,807.03 × 7,979.85
  4. Step 4: Simplify right side
    14,352.73x = 158,057,138.32
  5. Step 5: Solve for x
    x = 158,057,138.32/14,352.73
  6. Step 6: Final answer
    x = 11,012.34

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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.