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Finding the Fourth Proportional to 18,352.29, 27,484.29 and 12,714.42

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Solution

The fourth proportional to 18,352.29, 27,484.29 and 12,714.42 is: 19,041.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,352.29 : 27,484.29 = 12,714.42 : x
  2. Step 2: Convert to fraction form
    18,352.29/27,484.29 = 12,714.42/x
  3. Step 3: Cross multiply
    18,352.29x = 27,484.29 × 12,714.42
  4. Step 4: Simplify right side
    18,352.29x = 349,446,806.46
  5. Step 5: Solve for x
    x = 349,446,806.46/18,352.29
  6. Step 6: Final answer
    x = 19,041.05

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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.