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Finding the Fourth Proportional to 17,993.52, 24,830.28 and 13,276.08

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Solution

The fourth proportional to 17,993.52, 24,830.28 and 13,276.08 is: 18,320.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,993.52 : 24,830.28 = 13,276.08 : x
  2. Step 2: Convert to fraction form
    17,993.52/24,830.28 = 13,276.08/x
  3. Step 3: Cross multiply
    17,993.52x = 24,830.28 × 13,276.08
  4. Step 4: Simplify right side
    17,993.52x = 329,648,783.70
  5. Step 5: Solve for x
    x = 329,648,783.70/17,993.52
  6. Step 6: Final answer
    x = 18,320.42

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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.