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Finding the Fourth Proportional to 17,762.44, 24,484.80 and 13,279.36

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Solution

The fourth proportional to 17,762.44, 24,484.80 and 13,279.36 is: 18,305.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,762.44 : 24,484.80 = 13,279.36 : x
  2. Step 2: Convert to fraction form
    17,762.44/24,484.80 = 13,279.36/x
  3. Step 3: Cross multiply
    17,762.44x = 24,484.80 × 13,279.36
  4. Step 4: Simplify right side
    17,762.44x = 325,142,473.73
  5. Step 5: Solve for x
    x = 325,142,473.73/17,762.44
  6. Step 6: Final answer
    x = 18,305.06

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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.