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Finding the Fourth Proportional to 27,811.64, 41,644.56 and 19,063.64

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Solution

The fourth proportional to 27,811.64, 41,644.56 and 19,063.64 is: 28,545.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,811.64 : 41,644.56 = 19,063.64 : x
  2. Step 2: Convert to fraction form
    27,811.64/41,644.56 = 19,063.64/x
  3. Step 3: Cross multiply
    27,811.64x = 41,644.56 × 19,063.64
  4. Step 4: Simplify right side
    27,811.64x = 793,897,075.40
  5. Step 5: Solve for x
    x = 793,897,075.40/27,811.64
  6. Step 6: Final answer
    x = 28,545.49

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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.