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Finding the Fourth Proportional to 18,063.40, 27,095.10 and 15,876.40

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Solution

The fourth proportional to 18,063.40, 27,095.10 and 15,876.40 is: 23,814.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,063.40 : 27,095.10 = 15,876.40 : x
  2. Step 2: Convert to fraction form
    18,063.40/27,095.10 = 15,876.40/x
  3. Step 3: Cross multiply
    18,063.40x = 27,095.10 × 15,876.40
  4. Step 4: Simplify right side
    18,063.40x = 430,172,645.64
  5. Step 5: Solve for x
    x = 430,172,645.64/18,063.40
  6. Step 6: Final answer
    x = 23,814.60

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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.