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Finding the Fourth Proportional to 12,395.93, 18,593.93 and 8,714.63

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Solution

The fourth proportional to 12,395.93, 18,593.93 and 8,714.63 is: 13,071.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395.93 : 18,593.93 = 8,714.63 : x
  2. Step 2: Convert to fraction form
    12,395.93/18,593.93 = 8,714.63/x
  3. Step 3: Cross multiply
    12,395.93x = 18,593.93 × 8,714.63
  4. Step 4: Simplify right side
    12,395.93x = 162,039,220.20
  5. Step 5: Solve for x
    x = 162,039,220.20/12,395.93
  6. Step 6: Final answer
    x = 13,071.97

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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.