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Finding the Fourth Proportional to 17,498.72, 26,260.68 and 8,612.12

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Solution

The fourth proportional to 17,498.72, 26,260.68 and 8,612.12 is: 12,924.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,498.72 : 26,260.68 = 8,612.12 : x
  2. Step 2: Convert to fraction form
    17,498.72/26,260.68 = 8,612.12/x
  3. Step 3: Cross multiply
    17,498.72x = 26,260.68 × 8,612.12
  4. Step 4: Simplify right side
    17,498.72x = 226,160,127.44
  5. Step 5: Solve for x
    x = 226,160,127.44/17,498.72
  6. Step 6: Final answer
    x = 12,924.38

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.