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Finding the Fourth Proportional to 13,048.44, 17,995.74 and 9,079.04

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Solution

The fourth proportional to 13,048.44, 17,995.74 and 9,079.04 is: 12,521.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,048.44 : 17,995.74 = 9,079.04 : x
  2. Step 2: Convert to fraction form
    13,048.44/17,995.74 = 9,079.04/x
  3. Step 3: Cross multiply
    13,048.44x = 17,995.74 × 9,079.04
  4. Step 4: Simplify right side
    13,048.44x = 163,384,029.61
  5. Step 5: Solve for x
    x = 163,384,029.61/13,048.44
  6. Step 6: Final answer
    x = 12,521.34

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Half scale
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Double scale
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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.