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Finding the Fourth Proportional to 12,395.37, 18,593.10 and 8,714.07

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Solution

The fourth proportional to 12,395.37, 18,593.10 and 8,714.07 is: 13,071.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395.37 : 18,593.10 = 8,714.07 : x
  2. Step 2: Convert to fraction form
    12,395.37/18,593.10 = 8,714.07/x
  3. Step 3: Cross multiply
    12,395.37x = 18,593.10 × 8,714.07
  4. Step 4: Simplify right side
    12,395.37x = 162,021,574.92
  5. Step 5: Solve for x
    x = 162,021,574.92/12,395.37
  6. Step 6: Final answer
    x = 13,071.14

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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.